found: His Digital Equipment Corporation, the first twenty-five years, 1983:t.p. (Kenneth H. Olsen, pres., Digital Equipment Corp., Maynard, Mass.)
found: Rifkin, G. The ultimate entrepreneur, 1988:CIP t.p. (Ken Olsen)
found: New York times WWW site, Feb. 8, 2011(in obituary published Feb. 7: Ken Olsen; b. Kenneth Harry Olsen, Feb. 20, 1926, Bridgeport, Conn.; d. Sunday [Feb. 6, 2011], aged 84; helped reshape the computer industry as a founder of the Digital Equipment Corporation, at one time the world's second-largest computer company)