Returning to Chicago, Fred worked briefly for the Chicago Tribune selling advertising. He then joined IBM, where he worked for 34 years as a computer salesman and then in administrative capacities all over the East Coast. Tennis was a constant pastime; he even hit with Arthur Ashe one evening in Poughkeepsie, N.Y.
In 1993 he retired and moved to Hilton Head Island (S.C.) and then to Tampa, Fla., where there were regular visits with Dave Sisler and Chuck Thies, two of his Princeton roommates. In 2016 he and Sue moved to Dallas, Texas, to be near their two daughters.
Fred died suddenly of a stroke Sept. 3, 2017. He is survived by his wife, Mary Susan “Sue” Martin, whom he married in 1959; their four children, Laura, Fred III, Wesley, and Cynthia; and four grandchildren.