David Ungar

David Michael Ungar, an American computer scientist, co-created the Self programming language with Randall Smith. The Self development environment's animated user experience was described in the paper Animation: From Cartoons to the User Interface co-written with Bay-Wei Chang, which won a lasting impact award at the ACM Symposium on User Interface Software and Technology 2004.

David Ungar
Other namesDavid Michael Ungar
CitizenshipAmerican
Alma materU.C. Berkeley
AwardsACM Fellow
ACM Dissertation Award
Dahl-Nygaard Prize
Scientific career
FieldsComputer Science
InstitutionsStanford
Sun Microsystems
IBM Research
ThesisThe Design and Evaluation of a High-Performance Smalltalk System (1986)
Doctoral advisorDavid A. Patterson

Ungar graduated as a doctor of philosophy in computer science from the University of California, Berkeley, in 1985. His doctoral advisor was David Patterson and his dissertation was entitled The Design and Evaluation of a High-Performance Smalltalk System; it won the 1986 ACM Doctoral Dissertation Award.

He was an assistant professor at Stanford University, Dept. of Electrical Engineering, Computer Systems Lab, where he taught programming languages and computer architecture, from 1985 to 1990. In 1991, he joined Sun Microsystems and became a distinguished engineer. In 2006 he was recognized as a Distinguished Engineer by the Association for Computing Machinery and in 2010 a Fellow.[1] In 2007, he joined IBM Research, where he is currently a member of the Dynamic Optimization Group. Ungar holds 20 US patents.

In 2006 the 1987 Self paper, coauthored by Ungar and Randall B. Smith, was selected as one of the three most influential OOPSLA papers presented between 1986 and 1996.[2] Self was also one influence on the design of the JavaScript programming language.[3] Ungar's 1984 paper, Generation Scavenging: A Non-disruptive High Performance Storage Reclamation Algorithm, which introduced generational garbage collection, won a Retrospective ACM SIGSOFT Impact Paper Award in 2008.[4]

Dave Ungar was awarded the Dahl-Nygaard Senior Prize in 2009.[5]

Major publications

Selected patents
  • Perceptual-based color selection for text highlighting. (Jan. 11, 2005)
  • Method and apparatus for increasing scavenging garbage collection effectiveness - (Jan 20, 2004)
  • Method and apparatus for testing a process in a computer system - (Jul 15, 2003)
  • Method and apparatus for finding bugs related to garbage collection in a virtual machine - (Dec 4, 2001)
  • Method and apparatus of translating and executing native code in a virtual machine environment - (Aug 28, 2001)
  • Method and apparatus for supporting efficient programming in dynamic pointer-safe languages - (Aug 21, 2001)

See also

References
  1. "ACM Names 41 Fellows from World's Leading Institutions — Association for Computing Machinery". Archived from the original on 2012-04-28. Retrieved 2010-12-08.
  2. ACM. "SIGPLAN - Awards".
  3. Severance, C. (February 2012). "JavaScript: Designing a Language in 10 Days". Computer. 45 (2): 7–8. doi:10.1109/MC.2012.57. ISSN 0018-9162. S2CID 29215508.
  4. ACM. "SIGSOFT Impact Paper Award". Archived from the original on 2010-07-15.
  5. Association Internationale pour les Technologies Objets. "The AITO Dahl-Nygaard Prize Winner for 2009". Retrieved 2009-10-15.
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