Background
At the University of Pennsylvania, Lenat received his Bachelor's degree in Mathematics and Physics, and his Master's degree in Applied Mathematics in 1972. He received his Ph.D. from Stanford University (published in Knowledge-based systems in artificial intelligence, along with the Ph.D. thesis of Randall Davis, McGraw-Hill, 1982) in 1976. His advisor was Professor Edward Feigenbaum.
In 1976 Lenat started teaching at Carnegie Mellon and commenced his work on Eurisko, but returned to Stanford in a teaching role in 1978. His continuing work on Eurisko led to attention in 1982 from DARPA and MCC in Austin, Texas. In 1984 he left Stanford to commence work on Cyc, the fruits of which were spun out of MCC into Cycorp in 1994. In 1986, he estimated the effort to complete Cyc would be 250,000 rules and 350 man-years of effort.
As of 2006, Lenat continues his work on Cyc at Cycorp. He is also a member of TTI/Vanguard's advisory board.
Read more about this topic: Douglas Lenat
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