Edward Feigenbaum, winner of the Association for Computing Machinery's A.M. Turing Award, discusses the Heuristic Programming Project he established with Joshua Lederberg, which produced the DENDRAL expert system. This clip is taken from an interview conducted with Feigenbaum by Donald Knuth for the Computer History Museum on April 4 and May 2, 2007 in Mountain View, California. Video of the full interview is available as part of Feigenbaum’s ACM profile at https://amturing.acm.org/award_winner... .