1956, Gilchrist accepted an invitation to be an assistant professor of mathematics and the first director of the computer center at Syracuse University where they had ordered an IBM 650 computer which was delivered a few months after he arrived that summer. Some time after, he also became involved with the Association for Computing Machinery (ACM) and was elected to its national Council in 1958. This volunteer work put him into contact with a wide variety of computer users across the United States. In the spring of 1959, he was asked by Dr. Herman H. Goldstine, to join him at IBM Research as manager of the computing facility. So, Gilchrist joined IBM in 1959 where some years later he later became director of planning with its service bureau subsidiary, Service Bureau Corporation (SBC), from 1963 to 1965. From 1965 to 1968, he was a manager of IBM's Data Processing Division. Gilchrist served as secretary (1960–1962) and vice president (1962–1964) of the Association for Computing Machinery (ACM). In 1966 he was elected president of the American Federation of Information Processing Societies (AFIPS) and later served as its executive director from 1968 to 1973. He later became director of the Columbia University Computer Center at Columbia University in New York City from 1973 to 1985. He was also a member of the faculty of engineering at Columbia. He retired from Columbia in 1991. Having moved to Chappaqua, New York in 1959, he continued to be active in civic affairs, holding various positions, such as being on the Chappaqua School Board, and the Northern Westchester Board of Cooperative Educational Services, among others. From 1986-1989 he was elected supervisor of the town of New Castle, New York. In 1989, his first wife Jean died. Gilchrist lived in Chappaqua from 1959 to 2008, after which he moved to Richmond, Virginia, with his wife, Bette. He died May 23, 2015. He is survived by his three sons Ian, James, and Andrew. Gilchrist had five grandchildren with Littlefield: Ian (spouse Kelly Murphy), Juliann, Anthony, Carson, and Griffin. Selected publications Ph.D. Thesis Gilchrist, Bruce, "The Application Of The Equations Of Motion To The Solution Of Climatological Problems," Ph.D. Thesis, University of London, June 1952 Papers Gilchrist, B.; Pomerene, J.; Wong, S.Y., "Fast carry logic for digital computers" IRE Transactions on Electronic Computers, EC-4 (Dec.1955), pp. 133–136. Esterin, B.; Gilchrist, B.; Pomerene, J. H., "A Note on High Speed