'''David J. Malan''' ({{IPAc-en|m|eɪ|l|ɛ|n}}) is an American computer scientist and professor. Malan is the [[Gordon McKay]] [[Professor]] of the practice of [[Computer Science]] at [[Harvard University]] and is best known for teaching Computer Science 50 (known ascourse [[CS50]] (abbreviation of Computer Science 50)<ref name=cs50>{{cite web|first=David|last=Malan|year=2017|url=https://cs50.harvard.edu|publisher=Harvard University|title=cs50.harvard.edu}}</ref><ref name=sigcse1>{{cite journal|last1=Malan|first1=David J.|title=Virtualizing office hours in CS 50|journal=ACM SIGCSE Bulletin|volume=41|issue=3|year=2009|pages=303–307|issn=0097-8418|doi=10.1145/1595496.1562969|url=https://dash.harvard.edu/bitstream/1/3282945/2/1242078080-fp129-malan.pdf}}</ref><ref name=sigscse>{{cite book|last1=Malan|first1=David J.|title=Proceedings of the 41st ACM technical symposium on Computer science education - SIGCSE '10|chapter=Reinventing CS50|year=2010|pages=152|doi=10.1145/1734263.1734316|journal=Proceedings of SIGCSE '10 Proceedings of the 41st ACM Technical Symposium on Computer Science Education|isbn=9781450300063|s2cid=36574285}}</ref><ref name=sigscse113>{{cite conference |isbn=9781450318686 |last1=Garcia |first1=Daniel D. |book-title=Proceedings of the 44th ACM technical symposium on Computer science education - SIGCSE '13 |last2=Barr |first2=Valerie |last3=Guzdial |first3=Mark |authorlink3=Mark Guzdial |last4=Malan |first4=David J. |year=2013 |pages=379 |doi=10.1145/2445196.2445308 |title=Rediscovering the passion, beauty, joy, and awe|doi-access=free }}</ref> which is the largest course at Harvard University and the largest [[Massive open online course|Massive Open Online Course (MOOC)]] at [[edX]], with lectures being viewed by over a million people on the edX platform up to 2017.<ref name=million>{{cite web|archiveurl=https://web.archive.org/web/20170221070304/http://www.thecrimson.com/article/2016/8/31/CS50-moves-from-lectures|archivedate=2017-02-21|url=http://www.thecrimson.com/article/2016/8/31/CS50-moves-from-lectures|website=thecrimson.com|title=CS50 Moves Away from Traditional Lectures, Toward Virtual Reality|first=Ramsey|last=Fahs|year=2016|url-status=dead}}</ref>
Malan is a [[Academic personnel|member of faculty]] at the [[Harvard John A. Paulson School of Engineering and Applied Sciences]], where his research interests include [[cybersecurity]],<ref name="LorinczMalan2004">{{cite journal|last1=Lorincz|first1=K.|last2=Malan|first2=D.J.|last3=Fulford-Jones|first3=T.R.F.|last4=Nawoj|first4=A.|last5=Clavel|first5=A.|last6=Shnayder|first6=V.|last7=Mainland|first7=G.|last8=Welsh|first8=M.|last9=Moulton|first9=S.|title=Sensor Networks for Emergency Response: Challenges and Opportunities|journal=IEEE Pervasive Computing|volume=3|issue=4|year=2004|pages=16–23|issn=1536-1268|doi=10.1109/MPRV.2004.18|s2cid=12012646}}</ref><ref name="MalanWelsh2004">{{cite conference |last1=Malan |first1=D.J. |book-title=2004 First Annual IEEE Communications Society Conference on Sensor and Ad Hoc Communications and Networks, 2004. IEEE SECON 2004 |last2=Welsh |first2=M. |last3=Smith |first3=M.D. |year=2004 |pages=71–80 |doi=10.1109/SAHCN.2004.1381904 |title=A public-key infrastructure for key distribution in TinyOS based on elliptic curve cryptography |isbn=0-7803-8796-1}}</ref> [[digital forensics]], [[botnets]],<ref name=phd/> [[computer science education]], [[Distance education|distance learning]], [[collaborative learning]], and [[Educational technology|computer-assisted instruction]].<ref name=acm>{{ACMPortal|id=81100034644}}</ref><ref name=scopus>{{Scopus|id=8421820000}}</ref>
