Richard B. Hoover was a research professor and astrophysicist at NASA’s Marshall Space Flight Center from 1966 to 2012. He has eleven patents and in 1992 NASA selected him as their inventor of the year for his invention of the Water-Window Imaging x-ray Microscope. He led their astrobiology research department until his retirement, and he now volunteers at the U.S. Space and Rocket Center in Huntsville, Alabama.
EXTENDED BIO
Prof. Dr. Richard B. Hoover graduated from Henderson State University and Duke University with degrees in Mathematics Physics, French and Chemistry. As an NSF fellow at Duke, he studied advanced mathematics and translated the Nikolai Bourbaki volume on Infinite dimensional, Vector Spaces. In 1966, Dr. Hoover left teaching position and x-ray diffraction research at the University of Arkansa to join the von Braun team at the NASA/Marshall Space Flight Center (MSFC) to work on the Saturn V Moon Rocket. His initial project was development of the Laser Ranging RetroReflector (LRRR) that was deployed on the moon by the Apollo 11 astronauts.
Dr. Hoover was co-investigator on the Skylab Apollo Telescope Mount (ATM) S-056 experiment that produced 25,000 x-ray images of the Sun. During the Skylab missions, he then worked Experiment Operations at the NASA/JSC Mission Control Center. Post flight analysis of the Skylab X-ray data resulted in numerous papers concerning the solar corona, x-ray bright points, active regions and solar flares.
Dr. Hoover invented and patented novel x-ray telescopes that were flown on sounding rockets from Woomera, Australia for studies of the Puppis-A Supernova Remnant and for Solar Missions from White Sands Missile Range. In 1987, the MSFC/Stanford Rocket X-ray Spectroheliograph produced the first high resolution x-ray images of the sun obtained with a normal incidence multilayer x-ray optics and discovered the constant cross-section of solar coronal loops. Dr. Richard B. Hoover was named NASA Inventor of the Year for the Water Window Imaging X-ray Microscope.
In addition to work on X-ray Astronomy and X-ray Optics, Prof. Hoover initiated his studies of diatoms, cyanobacteria and other microscopic algae. In 1969, he used the new NASA/MSFC Scanning Electron Microscope to produce the first SEM images of new genera and species of fossil marine diatoms in collaboration with the famous diatomist G Dallas Hanna. His optical and SEM photos of diatom images were featured in Smithsonian Museum Exhibits and appeared in numerous international publications and his articles in National Geographic.
In 1973, Dr. Hoover was invited by Director of the Royal Society of Zoology of Belgium to inventory the diatom collection of Henri Van Heurck Museum in Antwerp. During this work he discovered and published a book describing the Original Type Collection of the Rev.
William Smith, the world renowned 18th century British diatomist. His expertise in micropaleontology and SEM methods resulted in his selection in 1996 (soon after Dr. David Mckay announced the detection of organics and possible nanofossils in the ALH84001 Mars meteorite) as the first Director of the NASA/MSFC Astrobiology Laboratory, The MSFC Astrobiology Lab was tasked with the study of life on extreme environments and the search for Biomarkers in Astromaterials. Using the NASA/MSFC SEM, Dr. Hoover discovered the permineralized remains of large filamentous cyanobacteria and other microfossils in the Murchison CM2 carbonaceous meteorite. He Organized and Chaired the world’s first international Astrobiology Conferences held in San Diego (SPIE, 1997) and Chania, Crete (NASA/NATO/RAS, 2003).
In search of novel microbial extremophiles, Dr. Hoover organized and led scientific expeditions to many of the most hostile environments on Earth. He collected ice and permafrost samples from North Siberia, Patagonia, South Africa and from ice caves of the high Austrian Alps Canada, Iceland, Alaska and Antarctica. From samples collected on these Expeditions, he has discovered and described (in collaboration with Dr. Elena V. Pikuta) one new family, five new Genera, and 15 new species of bacteria and Archaea. He has published and edited 52 volumes and 435 scientific papers in peer reviewed journals and conference proceedings.
Professor Hoover was appeared in several films and delivered Lectures and Seminars at Universities and Scientific Conferences on every continent on Earth. Dr. Hoover is Past President (2001) and Fellow of SPIE; Fellow (Explorer Club) and Honorary Life Member (Planetary Studies Foundation).
Professor Richard B. Hoover has been awarded the degrees and titles: Doctor of Science, Honoris Causa, Russian Academy of Science (Moscow, Russia, 2021); Professor Doctor Ilia State University, Tbilisi, Georgia, 2023) and Fellow of the World Academy of Art and Science (2023).
Richard B. Hoover joined the NASA/Marshall Space Flight Center in 1966 and began his scientific research in astrophysics and solar physics. He was co-investigator for the SKYLAB S-056 Grazing Incidene X-Ray Telescope that produced high resolution x-ray images of the Sun from America’s first Space Station.
He developed the Multilayer X-Ray Telescope that produced the first High-Resolution image of the Sun (Cover of Science, Sept. 30, 1988) ever obtained with a telescope using Normal Incidence X-Ray Mirrors. He holds 12 US Patents for novel X-Ray telescopes, spectrometers and microscopes. He was NASA Inventor of the Year in 1992 for his invention of the Water Window Imaging X-Ray Microscope. Richard B. Hoover is internationally known for his work on diatoms; the discovery of several important microbial extremophiles; and his research on microfossils in meteorites.
From astrophysics to micropaleontology, Professor Richard B. Hoover traveled the planet collecting samples and exploring life in the Universe throughout his career. The former NASA astrophysicist and astrobiologist has written and lectured globally about microfossils in meteorites, biomolecules in interstellar dust, comets, exoplanets and microbial life he has found inhabiting volcanoes, permafrost, ice caves and glaciers in Earth’s most hostile environments.
Professor Richard B. Hoover left his teaching post at the University of Arkansas in 1966 to join the von Braun team at the NASA Marshall Space Flight Center in Huntsville, Alabama. He developed diffraction limited telescopes and Laser Ranging RetroReflectors (LRRR) for tracking the Apollo Saturn V moon rockets. The LRRR arrays were deployed on the moon by the Apollo 11, 14 and 15 astronauts. They are the only lunar experiments that continue working. The LRRR experiment continues to deliver precise data on lunar orbital parameters of value to future moon missions and direct relevance to General Relativity and String theories. He served as Co-Investigator for the SKYLAB Apollo Telescope Mount S-056 Experiment. He was Principal Investigator for the Multi-Spectral Solar Telescope Array (MSSTA) Observatory that produced simultaneous soft x-ray/EUV images of the Solar Photosphere, Chromosphere and Corona using his advanced multilayer telescopes. He analyzed the solar data and published papers on coronal loops, plumes and x-ray bright points. He patented numerous novel x-ray telescopes, microscopes, collimators and spectrometers and was named the 1992 NASA Inventor of the Year for the Water Window Imaging X-ray Microscope.
In 1986, Dr. Hoover collaborated with Sir Fred Hoyle in a study that revealed a close correspondence of the measured infrared properties of diatoms and the infrared spectrum of interstellar dust as observed in the Trapezium nebula and toward the Galactic Center source GC IRS-7. They advanced the hypothesis that diatoms and similar microbial life forms might inhabit and be spewed into space from oceans of icy moons Enceladus or Europa and from aqueous cavities or pools just beneath the dark crusts of comets as they are heated near perihelion. This research resulted in his selection in 1997 to establish the Astrobiology Research Group at NASA/MSFC. He produced and published high resolution SEM images of cyanobacteria and diatoms in the Polonnaruwa, Orgueil, Murchison and other carbonaceous meteorites that are thought to be the remains of extinct comets. EDS data proves these remains are ancient, indigenous and extraterrestrial rather than modern biological contaminants. Prof. Hoover organized and led scientific expeditions to many of the most hostile environments on Earth. He explored ice caves and discovered microbial life in Deep Ice Cores from just above Lake Vostok in Antarctica. He discovered mosses and described new species of bacteria that were still alive after being frozen in ancient permafrost of Alaska and the far northeast regions of Siberia. He was elected Fellow National of the Explorers Club in recognition of his work leading scientific expeditions to Antarctica, Siberia, Alaska, South Africa, Patagonia and exploring ice caves in Iceland, Canada and high in the Austrian Alps. Samples collected during these expeditions resulted in discovery and valid publication of 1 new Family; 6 Genera and 15 species of extremophilic bacteria and archaea previously unknown to Science.
Professor Richard B. Hoover has Authored/Edited over 50 Books and over 400 scientific papers on X-ray Optics, Solar Physics, Diatoms, Bacteria, Microfossils and Meteorites. His Scientific Expeditions and research are featured in films produced by the History Channel, Fox News, NBC Lx, Ancient Aliens, The Science Channel, NASA’s Unexplained Files, NHK Japan Television, National Science Foundation: “Science Nation: Extremophiles”, BBC, Discovery Channel and National Geographic. Prof. Dr. Richard B. Hoover was awarded the Degree and Title: Doctor of Sciences, Honoris Causa, Russian Academy of Sciences in 2021 by Academician Prof. Dr. Alexander M. Sergeev, President of the Russian Academy of Sciences. In 2023, he was Awarded the Degree and Title: Professor Doctor Ilia State University, Tbilisi, Georgia and elected Fellow of the World Academy of Art and Science (WAAS).
Professor Dr. Richard Brice Hoover began his NASA career in 1966 in the Applied Research Branch, Astrionics Laboratory of the George C. Marshall Space Flight Center (MSFC) in Huntsville, Alabama. His first area of research in Optics was concentrated on Lasers, Holography, Fraunhoffer Diffraction and the development of Scatter Fringe Interferometers. Hoover invented the Ealing-Hoover Diffraction Plates for classroom demonstrations of Fraunhoffer Diffraction effects and patented several novel types of x-ray telescopes, microscopes, collimators and spectrometers. He constructed state-of-the-art interferometers and other Optical Metrology methods for testing Advanced Visible Light and X-ray Space Telescopes. Working on the LRRR Program, planned for tracking the Saturn V Moon Rockets, Richard Hoover helped specify and procure a highly specialized Ritchey-Chretien telescope. This instrument was constructed on Madkin Mountain, Redstone Arsenal. It provided the LRRR Proof of Concept by tracking and measuring the distance to from laser retroreflectors mounted on U-2 and SR-71 Aircraft as they streaked across the skies high above Huntsville. Due to weight restrictions, the Laser Retroreflectors were never deployed on the Saturn V Moon rockets, However, LRRR arrays were ultimately carried to the Moon by the Apollo 11 and 15 Astronauts. The large Apollo 15 LRRR array working with the 3.5 M APOLLO telescope at Apache Point, New Mexico provides precise measurements of the distance from the Earth to the Moon. These mirrors continue to provide valuable data on changes in lunar orbital distance and motion. The accurate determination of time variation of the gravitational constant G provides the best test of diverse theories of gravitation and allowed evaluation of the accuracy of Einstein's General Theory of Relativity predictions of motion of the Moon.
In 1967, Prof. Hoover was appointed Co-Investigator (Co-I) for the Apollo Telescope Mount ATM Experiment S-056 X-Ray Telescope. This instrument was flown on SKYLAB and produced 25,000 high resolution soft x-ray images of the Sun. Hoover worked at Mission Control at NASA JSC during the SKYLAB missions and then participated to the Post Flight Analysis of the S-056 data. These high-resolution X-ray images yielded new information on the plasma physics of Solar Flares, Coronal Loops and X-ray bright points.
Dr. Hoover served as Co-Principal Investigator (with Co-PI Sir Robert L. F. Boyd, Director, Mullard Space Science Laboratory, University College London) for the U.S./U.K. SKYLARK Rocket X-ray Telescope. This X-ray telescope was launched in 1974 from Woomera, South Australia on a Sounding Rocket to study soft X-ray emission from the Puppis-A supernova remnant.
Prof. Richard B. Hoover served as Co-PI (with Prof. Arthur B. C. Walker, Jr. of Stanford University) for the Stanford/MSFC Rocket X-Ray Spectroheliograph. This experiment was launched on a Terrier-Boosted Black Brant Sounding Rocket from White Sands, New Mexico. It carried the doubly reflecting Normal Incidence Multilayer X-ray Telescope using Bragg Diffraction with multilayer x-ray mirrors. Their research paper describing the the instrument and the first high-resolution Fe IX/Fe X (173 angstrom) soft x-ray image of the Sun ever produced with a normal incidence x-ray telescope was published in Science in 1988 with their Solar X-ray Image on the cover. In 1992, Dr. Hoover's Team launched the Multi-Spectral Solar Telescope Array (MSSTA) Observatory on a Sounding Rocket from White Sands, NM producing simultaneous soft x-ray/EUV images of the Solar Photosphere, Chromosphere and Corona. Multilayer x-ray optical systems have now come to be widely used in X-ray Astronomy. With the multilayer coatings applied at glancing angles of incidence, instruments can be constructed as Hard X-ray/Gamma Ray Imaging Telescope and as Super-Mirrors for reflecting Neutrons in Nuclear Reactors. Professor Hoover served as Advisor for students performing research in X-ray Optics and Solar Physics for their Ph.D. degree at Stanford University, the University of Alabama in Birmingham and the Joint Institute of Nuclear Research, Dubna, Russia.
In 1997, Prof. Richard B. Hoover established the Astrobiology program at NASA/MSFC. In this capacity, he organized and was Scientific Team Lead for expeditions to many of the most hostile environments on Earth. He conducted collaborative Astrobiology research on microbial life in Deep Vostok Ice Cores with Dr. Sabit Abyzov (INMI-RAS) and ancient permafrost with Dr. David Gilichinsky in the Kolyma Lowlands of far Northeast Siberia. His expeditions to hostile environments of Earth resulted in discovery and valid publication of 1 new Family; 6 new Genera and 15 new species of extremophile bacteria and archaea previously unknown to Science. In recognition of the scientific expeditions he led to explore ice caves in Alaska, Antarctica, Austrian Alps, Iceland, Patagonia, Siberia, and South Africa and for his discovery of microfossils in meteorites and novel life forms in extreme environments, he was elected Fellow National of the Explorers Club in 2001. He carried the Explorers Club Flag #162 during his Expeditions to the Schirmacher Oasis, Antarctica (January 28 - February 20, 2008) and Lake Untersee, Antarctica (November 5, 2008 to December 21, 2008).
Prof. Richard B. Hoover initiated research on microfossils in ancient rocks and carbonaceous meteorites at the Space Sciences Laboratory of NASA/Marshall Space Flight Center in 1997. In this research, Hoover began a longstanding collaboration with Academician Prof. Dr. Alexei Yu. Rozanov, Director of the Paleontological Institute of the Russian Academy of Sciences (RAS). Using State-of-the-Art Scanning Electron Microscopes at NASA/MSFC and at the Paleontological Institute (RAS), they had independently discovered well-preserved fossilized remains of cyanobacteria, acritarchs, diatoms in diverse carbonaceous meteorites. Using data on the element composition of living cells, Dr. Hoover pioneered the application of Energy Dispersive X-Ray Spectroscopy for distinguishing ancient indigenous biological remains from modern bio-contaminants. This technique was based on Energy Dispersive X-ray Spectroscopy measurements of the nitrogen content and the ratios of the major life-critical Bioelements (C/O; C/N; C/S an C/P) in the microfossils embedded in-situ in freshly fractured interior surfaces of the meteorites and ancient terrestrial rocks. Prof. Hoover continues to study microfossils in meteorites with scientists in Russia, UK, Georgia, Spain, France and Denmark. His book “ATLAS OF MICROFOSSILS: The Orgueil Meteorite” with Academician Rozanov and colleagues at the Astrobiology Sector, Joint Institute of Nuclear Research (JINR) in Dubna, Russia was published in 2020.
Prof. Hoover holds 13 US and 2 International Patents and was selected 1991 MSFC Inventor of the Year and the 1992 NASA Inventor of the Year and Nominee for National Inventor of the Year. He has served on the Board of Directors of SPIE (1989-2002) and was President of SPIE in 2001. He was awarded the 2009 SPIE Gold Medal of the Society, the highest honor bestowed by the Society. His research on Microbial Extremophiles and Microfossils in Meteorites has been featured in films produced by the The Science Channel, NASA's Unexplained Files, The History Channel, Ancient Aliens, NHK Japan Television, National Science Foundation: “Science Nation: Extremophiles”, BBC, Discovery Channel, National Geographic and NBC/LX.
Professor Richard B. Hoover has Authored/Edited 53 Books and Monographs, 67 encyclopedia articles and over 330 scientific papers on X-ray Optics, Solar Physics, Diatoms, Bacteria, Microfossils and Meteorites. He is Honorary Life Member of the Planetary Studies Foundation, Chicago; Visiting Research Professor, University of Buckingham Centre for Astrobiology, UK and NASA/Emeritus-Docent, United States Space & Rocket Center.
On October 21, 2021, in a Ceremony held in the Presidium of the Academy in Moscow, Prof. Dr. Richard B. Hoover was awarded the Degree and Title: Doctor of Sciences, Honoris Causa of the Russian Academy of Sciences.
PROJECTS WORKED BY DR. RICHARD HOOVER
1996-2011 - Co-Investigator (With Dr. David McKay, NASA/GSFC; Biomarkers in Astromaterials)
1996-2011 - Co-Investigator (With Dr. Kenneth Nealson USC; Microbial Extremophiles)
1996-2011 - NASA/MSFC Virtual Astrobiology Institute
1988-1995 - Co-Principal Investigator Multi-Spectral Solar Telescope Array (MSSTC)
1981-1988 - Co-Principal Investigator Stanford/MSFC Rocket X-Ray Spectroheliograph
1971-1974 - U. S. Principal Investigator – U.S./U.K. SKYLARK Rocket X-ray Telescope
1968-1974 - Co-Investigator – NASA SKYLAB ATM Experiment S-056
1966-1967 - LRRR
DISCOVERIES: Validated New Family of Bacteria
Williamwhitmaniaceae, fam. nov. (2017)
DISCOVERIES: Validated New Genera of Bacteria
Williamwhitmaniia, gen. nov. (2017)
Proteocatella, gen. nov. (2009)
Anaerovirgula, gen. nov. (2006)
Spirochaeta, gen. emend. (2003)
DISCOVERIES: Validated New Species of Bacteria
Thermococcus thioreducens, sp. nov. (2007)
Williamwhitmaniaceae taraxaci, gen. nov., sp. nov. (2017)
Proteocatella sphenesci gen. nov., sp. nov. (2009)
Spirochaeta dissipatitropha sp. nov. (2009)
Anaerovirgula multivorans gen. nov., sp. nov. (2006)
Trichococcus patagoniensis sp. nov. (2006)
Carnobacterium pleistocenium sp. nov. (2005)
Spirochaeta americana sp. nov. (2003)
Tindallia californiensis sp. nov. (2003)
Desulfonatronum thiodismutans sp. nov. (2003)
DISCOVERIES: Validated New Species of Archaea
Thermococcus thioreducens, sp. nov. (2007)
DISCOVERIES: ATCC Strain
Janthinobacterium schirmacherense, strain Ant5-2 (2013)
SCIENTIFIC BOOKS
VOLUMES ON ASTROBIOLOGY, MICROPALEONTOLOGY, MICROBIOLOGY & DIATOMS
1. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. & Wickramasinghe, Nalin C. (eds.), Instruments, Methods, and Missions for Astrobiology XVI, Proc. SPIE 8865, (2013).
2. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. & Davies, Paul C. W. (eds.), Instruments, Methods, and Missions for Astrobiology XV, Proc. SPIE 8821, (2012).
3. Hoover, Richard B., Davies, Paul C. W., Levin, Gilbert V. & Rozanov, Alexei, Yu. (eds.), Instruments, Methods, and Missions for Astrobiology XIV, Proc. SPIE 8152, (2011).
4. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. & Davies, Paul C. W. (eds.), Instruments, Methods, and Missions for Astrobiology XIII, Proc. SPIE 7819, (2010).
5. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. & Retherford, Kurt D. (eds.), Instruments and Methods for Astrobiology and Planetary Missions XII, Proc. SPIE 7441 (2009).
6. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. & Davies, Paul C. W. (eds.), Instruments, Methods, and Missions for Astrobiology XI, Proc. SPIE 7097, (2008).
7. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. & Davies, Paul C. W. (eds.), Instruments, Methods, and Missions for Astrobiology X, Proc. SPIE 6694, (2007).
8. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. (eds.), Instruments, Methods, and Missions for Astrobiology IX, Proc. SPIE 6309, (2006).
9. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. (eds.), Astrobiology and Planetary Missions, Proc. SPIE 5906, (2005).
10. Hoover, Richard B., Paepe, Roland, R. & Rozanov, Alexei, Yu. (eds.) Perspectives in Astrobiology, Volume 366 NATO Science Series: Life and Behavioural Sciences, IOS Press, Amsterdam, The Netherlands, 1-240, 2005.
11. Hoover, Richard B., Levin, Gilbert V. & Rozanov, Alexei, Yu. (eds.), Instruments, Methods, and Missions for Astrobiology VIII, Proc. SPIE 5555, (2004).
12. Hoover, Richard B., Rozanov, Alexei Yu. & Paepe, Roland, R., (eds.), Instruments Methods and Missions for Astrobiology VII, Proc. SPIE 5163, (2004).
13. Hoover, Richard B., Rozanov, Alexei Yu. & Lipps, Jere H. (eds.), Instruments, Methods, and Missions for Astrobiology VI, Proc. SPIE 4939, (2003).
14. Hoover, Richard B., Rozanov, Alexei Yu. & Paepe, Roland, R., (eds.), Instruments Methods and Missions for Astrobiology V, Prroc. SPIE, 4859, (2003).
15. Gorenstein, Paul & Hoover, Richard B., (eds.), X-Ray Optics for Astronomy: Telescopes, Multilayers, Spectrometers, and Missions, SPIE 4496, (2002).
16. Hoover, Richard B., Rozanov, Alexei Yu. & Paepe, Roland, R., (eds.), Instruments Methods and Missions for Astrobiology IV, SPIE 4495, (2002).
17. Kumakhov, Muradin A. & Hoover, Richard B. (eds.) X-Ray and Neutron Capillary Optics II, Proc. SPIE 5943, (2005)
18. Zhegallo, Elena A., Rozanov, Alexei Yu., Ushatinskaya, Galina T., Hoover, Richard B., Gerasimenko, Ludmila M., & Ragozina, Alla L., “Atlas of Microorganisms from Ancient Phosphorites of Khubsughul (Mongolia)”, NASA/TP 209901 (In English and Russian), pp. 1-167, 61 Figs. (2000).
19. Hoover, Richard B., Instruments Methods and Missions for Astrobiology III, SPIE 4137, (2000).
20. Hoover, Richard B., Instruments, Methods, and Missions for Astrobiology II, SPIE, 3755, (1999).
21. Hoover, Richard B. & Walker, Arthur B. C., II, (eds.), X-Ray Optics, Instruments, and Missions, SPIE, 3444, (1998).
22. Hoover, Richard B., Instruments, Methods, and Missions for Astrobiology, SPIE, 3441, (1998).
23. Hoover, Richard B., Instruments, Methods, and Missions for the Investigation of Extraterrestrial Microorganisms, SPIE, 3111, (1997).
24. Richard B. Hoover, “Original Collection of Albert Grunow for the Schizonema and Berkeleya Monograph,” Koninklijke Maatschappij voor Dierkunde van Antwerpen, pp. 1-102, 1978).
25. Richard B. Hoover. “Types du Synopsis of British Diatomaceæ: Inventory of the Original Typical Collection of the Reverend William Smith (1808-1857),” Royal Society of Zoology of Antwerp, Royal Albert I Library, Brussels, Belgium, pp. 1-106, 11 plates. (1976).
VOLUMES ON EUV, X-RAY, -RAY AND NEUTRON OPTICS & DETECTORS
26. Hoover, Richard B. & Walker, Arthur B. C., II (eds.), X-Ray Optics, Instruments and Missions, IV, SPIE 4138, (2000).
27. Hoover, Richard B. & Walker, Arthur B. C., II (eds.), X-Ray Optics, Instruments, and Missions II, SPIE, 3766, (1999).
28. Doty, F. P. & Hoover, Richard B., Hard X-Ray and Gamma Ray Detector Physics and Applications, SPIE, 3446, (1998).
29. Hoover, Richard B. & Doty, F. Patrick, Hard X-Ray and Gamma-Ray Detector Physics, Optics, and Applications, SPIE, 3115, (1997).
30. Hoover Richard B. & Walker, Arthur B. C. II, Grazing Incidence and Multilayer X-Ray Optical Systems, SPIE, 3113, (1997).
31. Hoover Richard B. & Doty, F. Patrick, Hard X-Ray/Gamma Ray and Neutron Optics, Sensors, and Applications, SPIE, 2859, (1996).
32. Hoover, Richard B. & Walker, Arthur B. C., II, Multilayer and Grazing Incidence X-Ray/EUV Optics III, SPIE, 2805, (1996).
33. Hoover, Richard B. & Williams, Mark, X-Ray and Ultraviolet Sensors and Applications, SPIE 2519, (1995).
34. Hoover, Richard B. & Walker, Arthur B. C., II, X-Ray and Extreme Ultraviolet Optics, SPIE, 2515, (1995).
35. Hoover, Richard B. & Walker, Arthur B. C., II, Advances in Multilayer and Grazing Incidence X-Ray/EUV/FUV Optics, SPIE, 2279, (1994).
36. Hoover, Richard B. & Tate, Mark, X-Ray and UV Detectors, SPIE, 2078, (1994).
37. Hoover, Richard B. & Walker, Arthur B. C., II, Multilayer and Grazing Incidence X-Ray/EUV Optics II, SPIE, 2011, (1993).
38. Hoover, Richard B. & Walker, Arthur B. C. , II, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography, SPIE 1742, (1992).
39. Hoover, Richard B., X-Ray Detector Physics and Applications, SPIE, 1736, (1993).
40. Hoover, Richard B. & Walker, Arthur B. C., II, Multilayer and Grazing Incidence X-Ray/EUV Optics, SPIE, 1546, (1991).
41. Hoover, Richard B. & Walker, Arthur B. C., II, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry and Projection Lithography, SPIE, 1343, (1990).
42. Richard B. Hoover, X-Ray/EUV Instrumentation for Astronomy and Microscopy, SPIE 1160, (1989).
43. Richard B. Hoover, Roger J. Thomas, and James H. Underwood, “Advances in Solar and Cosmic X-Ray Astronomy: A Survey of Experimental Techniques and Observational Results” Advances in Space Science and Technology, 11, (Academic Press, Inc., New York), 1-214 (1972)
MONOGRAPH AND BOOK CHAPTERS
1. Pikuta, Elena V. and Hoover, Richard B. “Chapter X. The Genus Carnobacterium.VP In Lactic Acid Bacteria-Biodiversity and Taxonomy. (Holzapfel, W. and Wood, B. J. B., Eds.), Blackwell Publishing Ltd., Oxford, UK (Published June 23, 2014).
2. Pikuta, Elena V. and Hoover, Richard B. “Chapter XII. The Genus Trichococcus.VP In Lactic Acid Bacteria-Biodiversity and Taxonomy. (Holzapfel, W. and Wood, B. J. B., Eds.), Blackwell Publishing Ltd., Oxford, UK (Published June 23, 2014).
3. Hoover, Richard B. “Fossils of Cyanobacteria in CI1 carbonaceous meteorites: Implications to Life on Comets, Europa, and Enceladus.” In Biological Cosmology, Astrobiology, Origins and Evolution of Life (Eds. R. Joseph, R. Schild and C. Wickramasinghe) pp, 58-94, (2010).
4. Hoover, Richard B. and Pikuta, Elena V. “Psychrophilic and Psychrotolerant Microbial Extremophiles in Polar Environments.” In Polar Microbiology: The Ecology, Biodiversity and Bioremediation Potential of Microorganisms in Extremely Cold Environments (Eds. Asim K. Bej, J. Aislabie and Ronald M. Atlas) CRC Press, pp. 115-157. (2009) http://www.routledge.com/books/Polar-Microbiology-isbn9781420083842
5. Hoover, Richard B. “Comets, Carbonaceous Meteorites and the Origin of the Biosphere” in Biosphere Origin and Evolution (N. Dobretsov, N. Kolchanov, A. Rozanov and G. Zavarzin, Eds.) Springer US, New York 55-68, (2008). http://www.springerlink.com/content/u17384273280174l/
6. Hoover, R. B. and Rozanov, A. Yu., “Microfossils, Biominerals and Chemical Biomarkers in Meteorites.” In Perspectives in Astrobiology, Vol. 366 NATO Science Series: Life and Behavioural Sciences (R. B. Hoover, R. Paepe, and A. Yu. Rozanov, Eds.) NATO-ASI held in CHANIA, CRETE, 11-18 Sept, 2002. IOS Press, Amsterdam, The Netherlands, 1-18, 2005.
7. Hoover, Richard B. and Gilichinsky, David, “Significance to Astrobiology of Microorganisms in Permafrost and Ice.” In Permafrost Response on Economic Development, Environmental Security and Natural Resource Potential, NATO-ARW held in NOVOSIBIRSK, SIBERIA, 12-16 Nov. 1998. (Roland Paepe, Ed.) Klewer Publishing, New York, pp. 553-580, 2001.
8. Paepe, Roland, Hoover, Richard B. and Van Overloop, E., “Patterned Ground as Evidence of Water on Mars,” in Permafrost Response on Economic Development, Environmental Security and Natural Resource Potential, NATO-ARW held in NOVOSIBIRSK, SIBERIA, 12-16 Nov. 1998. (Roland Paepe, Ed.) Klewer, New York, 581-588 (2001).
9. Hoover, Richard B., Hoyle, Sir Fred, Wickramasinghe, Nalin C., Hoover, Miriam J. and Al-Mufti, S., “Diatoms on Earth, Comets, Europa, and in Interstellar Space.” In Astronomical Origins of Life: Steps Toward Panspermia, (Fred Hoyle and N. C. Wickramasinghe, Eds.), Kluwer Academic Publishers, Dordrecht, pp. 197-224, 2000.
Starting Year
1966
Last Year Served
2011
Honors
2021 - Doctor of Sciences, honoris causa, Russian Academy of Sciences
2009 - Gold Medal of the Society SPIE-The International Society for Optical Engineering
2007 - NASA/MSFC Center Director’s Commendation
2003-Prese - Honorary Life Member. Planetary Studies Foundation
2003-Present - Editorial Board: Journal of X-Ray Science and Technology
2002–Present - Founding Member: Henderson State University Academy
2001–Present - Fellow National – The Explorers Club
2001–2002 - President - SPIE-The International Society for Optical Engineering
2001–2002 - Board of Directors - Council of Scientific Society Presidents (CSSP)
2001- 2003 - Chair - Committee for Public Understanding of Science: CSSP
2000-2001 - Governor - American Association of Engineering Societies
1999 - NASA/MSFC Center Director’s Commendation
1998-2000 - Editorial Board: Optical Engineering
1998 - NASA/MSFC Director’s Commendation
1998 - NASA/MSFC Outstanding Performance Award
1993-2002 - Board of Directors SPIE-The International Society for Optical Engineering
1993 - NASA/MSFC Outstanding Performance Award
1992 - National Inventor of the Year Nominee
1992 - NASA Inventor of the Year
1992 - Marshall Space Flight Center Inventor of the Year
1991 - Marshall Space Flight Center Inventor of the Year
1991-2007 - Fellow SPIE-The International Society for Optical Engineering
1988 - NASA Technical Innovator Award
1986 - NASA/MSFC Center Director’s Commendation
1981 - Distinguished Alumnus Award – Henderson State University
1979 - NASA Group Achievement Award Skylab S-056 Experiment
1975 - NASA Sustained Superior Performance Award
Projects Worked
PROJECTS WORKED (continued from Bio)
Scientific Publications - Richard B. Hoover
1. Hoover, Richard B., “An Unusually Effective Demonstration of Diffraction,” J. Opt. Soc. Amer., 58, 721 (1968).
2. Stroke, George W., Hayat, G. S., Hoover, Richard B., and Underwood, James H., “X- Ray Imaging Using A-Posteriori Holographic Image Synthesis.” Optics Communications , 1, 138-140 (1969)
3. Hoover, Richard B., “Diffraction Plates for Classroom Demonstrations.” Amer. J. Phys., 37, 871-4 (1969).
4. Hoover, Richard B. and Hoover, Miriam J. “Optical Phenomena in Diatoms.” Journal of the Arkansas Academy of Science. 24, 12-18 (1970).
5. Hoover, Richard B., “The Ealing-Hoover Diffraction Plates, Theory and Application.” (Ealing Corp.. R. B. Hoover; IBM Houston Scientific Center), pp. 1-24 (1969). (Book).
6. Hoover, Richard B. and Harris, Franklin S., “Die Beugungserscheinungen: A Tribute to F. M. Schwerd’s Monumental Work on Fraunhoffer Diffraction.” Applied Optics, 8, 2161-4 (1969).
7. Hoover, Richard B., X-Ray Astronomy, McGraw-Hill Yearbook of Science and Technology 1971. (McGraw-Hill Book Company, New York), 437-441 (1971).
8. Hoover, Richard B., Thomas, Roger J. and Underwood, James H., “Advances in Solar and Cosmic X-Ray Astronomy:A Survey of Experimental Techniques and Observational Results” Advances in Space Science and Technology, 11, (Academic Press, Inc., New York), 1-214 (1972). (Monograph)
9. Hoover, Richard B. ``X-Ray Astronomy.'' McGraw-Hill Yearbook of Science and Technology, McGraw-Hill Book Co., New York, 436-39 (1973).
10. Hoover, Richard B. and Underwood, James H. “Multiple Plate-Multiple Pinhole Collimator,” U.S. Pat. No. 3,749,911 (31 July 1973). (U.S. Patent).
11. Hoover, Richard B. “Three Mirror Glancing Incidence System for X-Ray Telescope,” U.S. Pat. No. 3,821,556 (28 June 1973) (U.S. Patent).
12. Sheeley Jr., N. R., Bohlin, J. D., Brueckner, G. F., Purcell, J. D., Scherrer, V. E., Tousey, R., Smith Jr., J. B., Speich, D. M., Tandberg-Hanssen, E., Wilson, R. M., De Loach, A. C., McGuire, J. P. and Hoover, R. B., "Coronal changes associated with a disappearing filament." Solar Physics, 45, 377-392 (1975).
13. Hoover, Richard B. “ Les Diatomées, Bijoux Vivants de la Nature.” Musée d’Histoire Naturelles, 2, 73-77, 1975.
14. Hoover, Richard B. and Underwood, James H. “Multi-Plate Focusing Collimator,” U.S. Pat. No. 3,869,615 (4 March 1975). (U.S. Patent)
15. Hoover. Richard B. “Types du Synopsis of British Diatomaceæ: Inventory of the Original Typical Collection of the Reverend William Smith (1808-1857) .” Royal Society of Zoology of Antwerp, Royal Albert I Library, Brussels, Belgium, pp. 1-106, 11 plates. (1976). (Book).
16. Hoover. Richard B. “Johann Diedrich Moller: Master Mounter of Diatoms.” Ward's Bulletin: Biology, Earth Sciences and Chemistry, Vol. 6, No. 103, 1-3, (1977).
17. Faÿ, T. D., Mufson, S. L., Duncan, B. J., Hoover, R. B., Sanford, P. W., Charles, P. A., White, N. E., Wisniewski, W. and Wamsteker, W., “Optical, Infrared, and X-Ray Observations of NGC 6624.” The Astrophysical Journal, 211, 155-159, (1977).
18. Underwood, J. H., Milligan, J. E., DeLoach, A. C. and Hoover, R. B. “S-056 X-ray Telescope Experiment on the Skylab Apollo Telescope Mount.” Applied Optics, 16, 858-869, (1977).
19. Hoover, Richard B. “Original Collection of Albert Grunow for the Schizonema and Berkeleya Monograph,” Koninklijke Maatschappij voor Dierkunde van Antwerpen, pp. 1-102 (1978). (Book).
20. Hoover, Richard B., “Those Marvelous Myriad Diatoms.” National Geographic, 871-878, (June, 1979).
21. Hoover, Richard B., Diatoms. McGraw-Hill Encyclopedia of Science and Technology, Vol. D. McGraw-Hill Book Company, New York, (1980).
22. Hoover, Richard B., Diffraction Patterns. McGraw-Hill Encyclopedia of Science and Technology, Vol. D. McGraw-Hill Book Company, New York, (1980)
23. Hoover, Richard B. and Rhodes, Charles M. “Method for Retarding Dye Fading During Archival Storage of Developed Color Photographic Film,” U.S. Pat. No. 4,287,152 (1 September 1981). (U.S. Patent).
24. Hoover, Richard B., “Diatoms: Nature’s Living Gems,” Rocks and Minerals, 57, 148-152, 1982.
25. Cessna, James R., Hoover. Richard B., Grubb, Richard N., Orswell, Prentice N., and Taylor, John H., “The GOES X-Ray Imager Feasibility Demonstration.” NOAA Technical Report ERL 423-SEL 41, 1-83, (1983).
26. Hoover, Richard B. “Extended Range X-Ray Telescope.” U.S. Pat. No. 4,369,834 (26 January 1983). (US Patent).
27. Hoover, Richard B., (EN) “Folded Optical Large Format Photomicrographic Camera System” (FR) “SYSTEME DE CHAMBRE MICROPHOTOGRAPHIQUE A GRAND FORMAT OPTIQUE REPLIE” WO/1984/003954 (11.10.1984). (International Patent).
28. Hoover, R. B., Chao, S.-H. and Shealy, D. L., “Design and Analysis of Spectral Slicing X-Ray Telescope Systems.”Proc. SPIE, 563, 280-290, (1985).
29. Hoover, Richard B., “Spectral Slicing X-Ray Telescope with Variable Magnification, ” U.S. Pat. No. 4,562,583, (31 December 1985) (US Patent).
30. Hoover, Richard B., Hoyle, Fred, Wallis, M. K., and Wickramasinghe, N. C., “Can Diatoms Live on Cometary Ice?” in Asteroids, Comets and Meteors II., (C. I. Lagerkvist, Ed.), 359-352, (1986).
31. Hoover, Richard B., Hoyle, Fred, Wickramasinghe, N. C., Hoover, Miriam J. and Al-Mufti, S., “Diatoms on Earth, Comets, Europa, and in Interstellar Space,” Earth, Moon, and Planets, 35, 19-45, (1986).
32. Hoover, R. B., Shealy, D. L. and Chao, S. H. “Spectral Slicing X-Ray Telescope.” Optical Engineering, 25, 970-978, (1986).
33. Shealy, D. L., and Hoover, R. B., “Hybrid X-Ray Telescope Systems.” Proc. SPIE, 640, 28-44, (1986).
34. Shealy, David, L., Hoover, Richard B. and Gabardi, David R., “Multilayer X-Ray Imaging Systems.” Proc. SPIE, 691, 83-91 (1986).
35. Lindblom, Joakim F., Walker, Arthur B. C. Troy W. Barbee, Jr. and Hoover, R. B., “Normal Incidence Reflection Multilayer Optics for Solar Soft X-Ray/Extreme Ultraviolet (XUV) Observations.” Proc. SPIE, 691, 104-111 (1986).
36. Hoover, Richard B., “Folded Optical Large-Format Photomicrographic Camera System,” U. S. Pat. No. 4,663,284 (21 January 1986) (U.S. Patent).
37. Walker, A. B.C., Jr., Barbee, T. W., Jr., Hoover, R. B., and Lindblom, J. F., “Soft X-ray Images of the Solar Corona with Normal-Incidence Cassegrain Multilayer Telescope.” Science, 241, 1781-1787, (1988). (Multilayer Telescope Image of Sun on Cover of Science)
38. Hoover, Richard B., Shealy, David L. Gabardi, David R. Walker, Arthur B.C., Jr., Lindblom, Joakim F. and Barbee, Troy W., Jr., “Design of an Imaging Microscope for Soft X-Ray Applications.” Proc. SPIE 982, 234-246, (1988).
39. Lindblom, Joakim F., A.B.C. Walker, Jr., Richard B. Hoover, Troy W. Barbee, Jr., Richard A. VanPatten, and John P. Gill. “Soft X-Ray/Extreme Ultraviolet Images of the Solar Atmosphere with Normal Incidence Multilayer Optics.” Proc. SPIE, 982, 316-324, (1988).
40. Hoover, R. B., Barbee, T. W., Jr. Lindblom and Arthur B. C. Walker, Jr., “Solar Soft X-Ray/XUV Imagery with an Experimental Kodak T-Max 100 Film.” Kodak Tech Bits, 1-6, (1988).
41. Walker, A. B. C. Jr., Lindblom, J. F., Hoover, R. B. and Barbee, T. W., Jr., "Monochromatic X-Ray and XUV Imaging with Multilayer Optics.'' Proc. of International Astronomical Union, Colloq. No. 102, Beaulieu sur-Mer, France, in Journal de Physique Colloques C1, 49, C1-175 (1988).
42. Hoover, R. B., Barbee, T. W. Jr., Lindblom, J. F. and Walker, A. B. C. Jr., “Solar soft x-ray/XUV imagery with an experimental Kodak T-Max 100 Film.” Kodak Technical Bits (Edited by E. Eggleton), pp. 1-6. Kodak Rochester, pp. 1-6 (1988).
43. Hoover, Richard, Walker, Arthur., Lindblom, Joakim F., Barbee, Troy Jr., VanPatten, Richard, Gill, John, Powell, Forbes and Steele, Gordon, “The Stanford/MSFC Rocket X-Ray Spectroheliograph.” Proc. SPIE 1140, 112-124, (1989).
44. Hadaway, J. B., Johnson, R. B., Hoover, R. B., and Walker, A. B. C., Jr., “Design and Analysis of Optical Systems for the Stanford/MSFC Multi-Spectral Solar Telescope Array.” Proc. SPIE 1160, 195-208 (1989).
45. Shealy, D. L., Hoover, R. B., Walker, A. B. C., Jr., and Barbee, T. W., Jr., “Development of a Normal Incidence Multilayer, Imaging X-Ray Microscope,” Proc. SPIE 1160, 109-121, (1989).
46. Walker, A.B.C., Jr., Lindblom, J. F., O’Neal, R. H., Barbee, T. W., Jr., and Hoover, R. B. “The Stanford/MSFC Multi-Spectral Telescope Array,” Proc. SPIE 1160, 131-144, (1989).
47. Hoover, Richard B. X-Ray/EUV Instrumentation for Astronomy and Microscopy, SPIE 1160, (1989). (Proceedings Volume).
48. Walker, Arthur, B. C., Jr., Timothy, J. Gethyn, Hoover, Richard B. and Barbee, Troy, W., Jr., “Astronomical EUV/X-ray Observatories on the Moon.” AIP Conference 207, 553-563 (1990).
49. Walker, Arthur, B. C., Jr., Hoover, Richard B., Lindblom, J. F., O’Neal, R. H., Allen, M. J., and Barbee, Troy, W., Jr., “Astronomical Observations with Normal Incidence Multilayer Optics.” Physica Scripta, 41, 1053-1062, (1990).
50. Hoover, R. B., Shealy, D. L., Brinkley, B. R., Baker, P. C., Barbee, T. W., Jr., and Walker, A. B. C., Jr., “X-Ray Imaging Microscope for Cancer Research,” National Aeronautics and Space Administration, Technology 2000, Vil. 1, 73-82 (1991).
51. Hoover, Richard B., Barbee, Jr., Troy W., Baker, Phillip C., Lindblom, Joakim F.. Allen, Maxwell J., DeForest, Craig E., Kankelborg, Charles C., O'Neal, Ray H. Paris, Elizabeth S. and Walker II, Arthur B. C., “Performance of compact multilayer coated telescopes at soft x-ray/EUV and far ultraviolet wavelengths I.” Proc. SPIE 1235, 821-832, (1990).
52. Shealy, D. l. Hoover, R. B., Barbee, T. W., and Walker, A. B. C. "Design and Analysis of a Schwarzschild Imaging Multilayer X-ray Microscope. Optical Engineering, 29, (1990).
53. Shealy, D. L., Jiang, W., and Hoover, R. B., “Design and Analysis of Aspherical Multilayer Imaging X-Ray Microscope.” Proc. SPIE 1343, 122-132, (1990).
54. Walker II, Arthur B. C., Bailey, Wayne L., Chupp, Edward L., Hudson, Hugh S., Moore, Ronald L., Roberts, William T., Hoover, Richard B. and Wu, Shi T. “Advanced Solar Observatory.” Proc. SPIE 1235 802-820, (1990).
55. Walker, A. B. C., Lindblom, J. F., Timothy, J. G., Barbee, T. W., Hoover, Richard B., and Tandberg-Hanssen, E. “Ultrahigh resolution XUV spectroheliograph.” Proc. SPIE 1235 833-848, (1990).
56. Walker, A. B. C., Lindblom, J. F., O'Neal, Ray H., Hoover, Richard B., J. G., Barbee, T. W. “Astronomical observations with normal incidence multilayer optics: recent results and future prospects." Physica Scripta 41, 1053-1059 (1990).
57. Hoover, R. B., Barbee, T. W., Jr., Baker, P. C., Lindblom, Joakim F., Allen, Maxwell, J., DeForest, Craig E. Kankelborg, Charles C., O'Neal, Ray H. Paris, Elizabeth S. and Walker, Jr., Arthur B. C. Performance of compact multilayer coated telescopes at soft x-ray/EUV and far-ultraviolet wavelengths I.” Proc. SPIE 1235, 821-832, (1990).
58. Hoover, Richard B., Baker, Phillip C., Hadaway, James B., Johnson, R. Barry, Peterson, Cynthia, Gabardi, David R., Walker, Arthur B. C., Lindblom, Joakim F., DeForest, Craig E. and O'Neal, Ray H. “Performance of the Multi-Spectral Solar Telescope Array III: optical characteristics of the Ritchey-Chretien and Cassegrain Telescopes.” Proc. SPIE 1343, 191-202, (1990).
59. Hoover, Richard B., Walker, A. B. C., Jr., DeForest, C. E., Allen, M. J. and Lindblom, J. F., “Performance of the Multi-Spectral Telescope Array VI: Performance and Characteristics of the Photographic Films.” Proc. SPIE 1343, 175-188, (1990).
60. Walker, A. B. C., Lindblom, J. F., Timothy, J. G., Allen, M. J., DeForest, C. E., Kankelborg, C. C., O'Neal, Ray H., Paris, E. S., Willis, T. D., Barbee, T. W. and Hoover, Richard B., “Ultra-High-Resolution XUV Spectroheliograph II: Predicted Performance.” Proc. SPIE 1343, 319-333, (1990).
61. Walker, A. B. C., Timothy, J. G., Barbee, T. W. and Hoover, Richard B., “The Active Sun Telescope Array.” Proc. SPIE 1343, 334-347, (1990).
62. Fineschi, S., Hoover, R. B., Fontenla, J. M., and Walker, A. B. C., "Solar EUV/FUV line polarimetry: observational parameters and theoretical considerations." Proc. SPIE 1343, 376-388, (1990).
63. Hoover, R. B., Fineschi, S., Fontenla, J. M., and Walker, A. B. C., “Solar EUV/FUV line polarimetry: Instruments and Methods.” Proc. SPIE 1343, 389-403, (1990).
64. DeForest, C. E., Kankelborg, C. C., Allen, M. J., Paris, E. S., Willis, T. D., Lindblom, J. F., O'Neal, Ray H., Walker, A. B. C., Barbee, T. W., Hoover, Richard B.and Gluskin, E. S. “Performance of the Multi-Spectral Solar Telescope Array V: temperature diagnostic response to the optically thin solar plasma.” Proc. SPIE 1343, 404-414, (1990).
65. Walker, A. B. C., Allen, M. J., Barbee, T. W. and Hoover, R. B. “Design of Narrow Band X-Ray and EUV Coronagraphs Using Multilayer Optics.” Proc. SPIE 1343, 415-427, (1990).
66. Lindblom, J. F., O'Neal, Ray H., Walker, A. B. C., Powell, Forbes, R., Barbee, T. W., Hoover, Richard B. and Powell, Stephen, F. “Performance of the Multi-Spectral Solar Telescope Array IV: the soft x-ray and extreme ultraviolet filters.” Proc. SPIE 1343, 544-557, (1990).
67. Hoover, Richard B. “Multispectral Glancing Incidence X-Ray Telescope,” U. S. Pat. No. 4,941,163 (10 July 1990) (U.S. Patent).
68. Hoover, Richard B. and Walker, Arthur B. C., II, X-Ray/EUV Optics for Astronomy, Microscopy, Polarimetry and Projection Lithography, Proc. SPIE, 1343, (1990). (Proceedings Volume).
69. Hoover, R. B., Shealy, D. L., Brinkley, B. R., Baker, P. C., Barbee, T. W., Jr., and Walker, A, B. C., Jr., “ Development of the Water Window Imaging X-Ray Microscope Utilizing Normal-Incidence Multilayer Optics.” Optical Engineering, 30, 1086-1093 (1991).
70. Shealy, D. L., Jiang, W., and Hoover, R. B., “Design and Analysis of Aspherical Multilayer Imaging X-Ray Microscope,” Optical Engineering, 30, 1094-1099 (1991).
71. Hoover, R. B., Fineschi, S., Fontenla, J. M., and Walker II, A. B. C., Solar EUV/FUV line polarimetry: instruments and methods Proc. SPIE, 1343, 389-403 (1991).
72. Hoover, R. B., A.B.C. Walker, Jr., C. E. DeForest, M. J. Allen, and J. F. Lindblom, “EUV/FUV Response Characteristics of Photographic Films for the Multi-Spectral Solar Telescope Array.” Optical Engineering, 30, 1116-1124 (1991).
73. Fineschi, S., Hoover, R. B., Fontenla, J. M., and Walker, A. B. C., “Polarimetry of Extreme Ultraviolet Lines in Solar Astronomy,” Optical Engineering, 30, 1161-1168 (1991).
74. Hoover, R. B., Fineschi, S., Fontenla, J. M., and Walker, A. B. C., Jr., “Imaging Polarimeters for Solar Extreme Ultraviolet Astronomy,” Optical Engineering, 30, 1169-1176 (1991).
75. Hoover, R. B., Shealy, D. L., Baker, P. C., Barbee, T. W., Jr., and Walker, A. B. C., Jr., “Development of the Water-Window Imaging X-Ray Microscope,” Proc. SPIE 1435, 338-351 (1991).
76. Hoover, Richard B. “Variable Magnification, Variable Dispersion Glancing Incidence Imaging X-Ray Spectroscopic Telescope,” U. S. Pat. No. 5,016,365 (14 May 1991) (U.S. Patent).
77. Hoover, R. B., Shealy, D. L., Baker, P. C., Barbee, T. W., Jr., and Walker, A. B. C., Jr., “Development of the Water-Window Imaging X-Ray Microscope,” Proc. SPIE 1546, 125-136 (1992).
78. Baker, P. C. and Hoover, R. B. “Metrology of X-Ray Optics Utilizing Shearing Interferometric Techniques,” Proc. SPIE 1546, 137-148 (1992).
79. Hoover, R. B., Walker, A. B. C., Jr., Lindblom, J. F., Allen, M., O’Neal, R. H., DeForest, C. and Barbee, T. W., Jr., “Solar Observations with the Multispectral Solar Telescope Array,” Proc. SPIE 1546, 175-187 (1992).
80. Hoover, R. B., Walker, A. B. C., Jr., DeForest, C. E., Allen, M. J.,Lindblom, J. F., Gilliam, L., November, L. J. and Brown, T., “Photographic Films for the Multispectral Solar Telescope Array.” Proc. SPIE 1546, 188-204 (1992).
81. Walker, A.B.C., Jr., Hoover, R. B., Roberts, W. T. and Wu, S. T., “High Resolution Telescope Cluster I: Overview and Technical Status,” Proc. SPIE 1546, 253-369 (1992).
82. Walker, Arthur, Martinez-Galarce, Dennis S., Paris, Elizabeth, Hoover, Richard B., and Barbee, “Cosmic X-Ray Spectroscopy with Multilayer Optics.” Proc. SPIE 1546, 333-344 (1992).
83. Walker, Arthur, Willis, Thomas and Hoover, Richard B., “Objective Double Crystal Spectrometer.” Proc. SPIE 1546, 461-470 (1992).
84. Fineschi, S., Hoover, Richard B. and Walker, A. B. C. Jr., “Hydrogen Lyman Alpha Coronagraph/Polarimeter,” Proc. SPIE, 1546, 402-413 (1992).
85. Hoover, R. B., Fineschi, S., Walker, A. B. C., Jr., Johnson, R. B. and Zukic, M. “Optical Configurations of H I Lyman Alpha Coronagraph/Polarimeters,” Proc. SPIE 1546, 414-431 (1992).
86. Walker, Arthur B. C., Jr., Lindblom, Joakim F., Timothy, J. Gethyn, Barbee, Troy W., Hoover, Richard B., Tandberg-Hansen, Einar, Wu, Shi Tsan, and Sahade, J. “Solar/Stellar Coronal Explorer and the Solar/Stellar Coronal Observatory.” Proc. SPIE 1546, 281-294, (1992).
87. Hoover, Richard B. and Walker, Arthur B. C., II, Multilayer and Grazing Incidence X-Ray/EUV Optics, SPIE, 1546, (1992). (Proceedings Volume).
88. Hoover, Richard B. “Water Window Imaging X-Ray Microscope,” U. S. Pat. No. 5,107,526 (21 April 1992). (U.S. Patent).
89. Hoover, Richard B. Richard B. Hoover, “X-Ray Monochromator,” U. S. Pat. No. 5,146,482 (22 December 1992). (U.S. Patent).
90. Baker, Phillip C., Hoover, Richard B., and Walker, Arthur B. C. II, “Fabrication of grazing incidence optics using flow-polishing techniques. ” Proc. SPIE 1736, 212-226, (1993).
91. Hoover, Richard B., X-Ray Detector Physics and Applications, SPIE 1736, (1993). (Proceedings Volume).
92. Walker, Jr., Arthur B. C., Barbee, Troy W. and Hoover, Richard B. “Astronomical observations with normal incidence multilayer optics. II. Images of the solar corona and chromosphere.” in UV and X-Ray Spectroscopy of Laboratory and Astrophysical Plasmas (eds. Silver, Eric H. and Kahn, Steven M)., Cambridge University Press pp. 193-209, (1993). (Book Chapter).
93. Fineschi, S., Hoover, Richard B., Zukic, M., Kim, J., Walker, Arthur B. C., II and Baker, Phillip C. “Polarimetry of H-Lyman α for coronal magnetic field diagnostics.” Proc. SPIE 1742, 423-438, (1993).
94. Hoover, Richard B., Fineschi, Silvano, Walker, Jr., Arthur B. C., Johnson, R. Barry, Baker, Phillip C., Zukic, M. and Kim, J. “Design and Fabrication of the All-Reflecting H Lyman-alpha Coronagraph Polarimeter.” Proc. SPIE, 1742, 439-452, (1993).
95. Walker, Arthur B. C. II, Hoover, Richard B. and Barbee, Troy W. “Multispectral solar telescope array: initial results and future plans.” Proc. SPIE 1742, 500-514, (1993).
96. Walker, Arthur B. C. II, Hoover, Richard B. and Barbee, Troy W. “Chromospheric and Coronal Observations with Multilayer Optics.” Proc. SPIE 1742, 515-526, (1993).
97. Hoover, Richard B., Walker, Arthur B. C. II, DeForest, Craig E, Timothy. Watts, Richard N. and Tarrio, C., “Ultrahigh-resolution photographic films for x-ray/EUV/FUV astronomy.” Proc. SPIE 1742, 549-561, (1993).
98. Allen, Maxwell J., Willis, Thomas D., Kankelborg, Charles C., O'Neal, Ray H., Martinez-Galarce, Dennis S., DeForest, Craig E., Jackson, Lisa R., Lindblom, Joakim F. Walker II, Arthur B. C., Barbee, Jr., Troy W., Weed, J. W., Hoover, Richard B. and Powell, Forbes R. “Calibration of the multispectral solar telescope array multilayer mirrors and XUV filters. ” Proc. SPIE 1742, 562-574, (1993).
99. Walker, A. B. C., Timothy, J. Gethyn, Hoover, Richard B. and Barbee, T. W. “Ultrahigh-resolution images of the solar chromosphere and corona using coordinated rocket and balloon observations. ” Proc. SPIE 1742, 630-645, (1993).
100. Hoover, Richard B., Baker, Phillip C., Shealy, David L., Gore, David B., Walker II, Arthur B. C., Barbee, Jr., Troy W. and Kerstetter, T., “Imaging Schwarzschild multilayer x-ray microscope .” Proc. SPIE 1742, 660-673. (1993).
101. Hoover, Richard B. and Walker, Arthur B. C., II, Multilayer and Grazing Incidence X-Ray/EUV Optics for Astronomy and Projection Lithography SPIE, 1742, (1993). (Proceedings Volume).
102. Walker, A. B. C. II,. DeForest, C. E., Hoover, R. B. and Barbee, T. W. Jr., “Thermal and density structure of polar plumes.I. Analysis of EUV Observations with a Multilayer Cassegrain Telescope.” Solar Physics, 148, 239-252, (1993).
103. Shealy, D. L., Wang, C., and Hoover, R. B., “Optical Analysis of an Ultra-High Resolution Two-Mirror Soft X-Ray Microscope, ” Journal of X-Ray Science and Technology, 112-117. (1994).
104. Campbell, Jonathan W., Hoover, Richard B. and Baker, Phillip C. “Performance of the repolished S-056 grazing incidence mirror in the MSFC AXAF test facility.” Proc. SPIE 2011, 75-88. (1994).
105. Fineschi, S., Romoli, M., Hoover, R. B., Baker, P. C., Zukic, M., Kim, J. and Walker Jr, A. B. C., Stray light analysis of a reflecting UV coronagraph/polarimeter with multilayer optics. In X-Ray and Ultraviolet Polarimetry Proc. SPIE 2010, 78-92. (1994).
106. Allen, Maxwell J., Willis, Thomas D., Kankelborg, Charles C. , O'Neal, Ray H., Martinez-Galarce, Dennis S., DeForest, Craig E., Jackson, Lisa R., Plummer, James D. Walker, Jr., Arthur B. C., Barbee, Jr., Troy W., Weed, J. W. and Hoover, Richard B., “Performance of the multilayer-coated mirrors for the MultiSpectral Solar Telescope Array.” Proc. SPIE 2011, 381-390. (1994).
107. Walker, Jr., Arthur B. C., Jackson, Lisa R., Plummer. James D., Hoover, Richard B. and Barbee, Jr., Troy W. “Astronomical observations with normal incidence multilayer optics III: selection of multilayer bandpasses.” Proc. SPIE 2011, 450-463. (1994).
108. Walker, Arthur B. C. II, Hoover, Richard B. and Barbee, Troy W. “MultiSpectral Solar Telescope Array VII: a status report .” Proc. SPIE 2011, 489-503. (1994).
109. Hoover, R. B., Walker, A. B. C. II,. DeForest, C. E., Allen, Maxwell, D. and Gore, David B. “X-ray/EUV/FUV calibration of photographic films for solar research.” Proc. SPIE 2011, 504-516. (1994).
110. Hoover, Richard B. and Walker, Arthur B. C., II, Multilayer and Grazing Incidence X-Ray/EUV Optics II, SPIE, 2011, (1994). (Proceedings Volume).
111. Hoover, Richard B., Shealy, David L., Walker, Arthur B. C., Jr., Baker, P. C., Grupido, N., Gutman, G., and Barbee, Troy W., Jr. “Development of the Water Window Imaging X-Ray Microscope,” SPIE, 2270, 195-208, (1994).
112. Hoover, Richard B. & Tate, Mark, X-Ray and UV Detectors, SPIE, 2278, (1994). (Proceedings Volume).
113. Walker II, Arthur B. C., Kapitulnik, A., Hoover, Richard B., Lesyna, Lawrence and Ulmer, Melville P. “High-resolution x-ray spectroscopy with a rocket-borne cosmic x-ray microcalorimeter spectrograph.” Proc. SPIE 2279, 122-133. (1994).