What is Jeffrey Ullman?
'''Jeffrey David Ullman''' (born November 22, 1942)<ref>{{Cite web|last=Ullman|first=Jeffrey D.|title=Vita|url=http://infolab.stanford.edu/~ullman/pub/opb.txt|access-date=April 2, 2021|website=Stanford University}}</ref> is an American [[computer scientist]]. He is the Stanford W. Ascherman Professor of Engineering, Emeritus, at [[Stanford University]]. His textbooks on [[Compiler|compilers]] (various editions are popularly known as the [[Principles of Compiler Design|green dragon book]]), [[theory of computation]] (also known as the [[Cinderella book]]), [[data structures]], and [[databases]] are well known in the field of computer science. He and his long-time partner [[Alfred Aho]] are the recipients of the 2020 [[Turing Award]].<ref>[https://awards.acm.org/about/2020-turing ACM Turing Award Honors Innovators Who Shaped the Foundations of Programming Language Compilers and Algorithms]. Retrieved March 31, 2021.</ref> ==References== {{reflist}} {{DEFAULTSORT:Ullman, Jeffrey}} [[Category:1942 births]] [[Category:Living people]] [[Category:American computer scientists]] [[Category:Writers from California]] [[Category:Scientists from California]] [[Category:Turing Award winners]] {{US-bio-stub}}