Jack was born May 5, 1930, and prepared at Germantown (Pa.) Academy.
At Princeton, he was a member of Cannon Club and the American Society of Mechan- ical Engineers, and roomed with John Bunnell, Bob Erdody, and Bruce Saffery. For years he was a member of ’51’s executive committee.
Jack spent his entire career in the industrial air-conditioning and refrigeration business, starting in 1951 with the York Corp. In 1963 he went with Delaware Valley-York Inc., becoming its president in 1970 and retiring in 1995.
Jack married Barbara Lovett on Sept. 26, 1953, and they raised their family in Philadelphia and also maintained a summer home in Belgrade Lakes, Maine. Jack served on the boards of Arcadia University, Germantown Academy, the former Germantown Hospital, and the Philadelphia Cricket Club. He was a member of the Presbyterian Church of Chestnut Hill, Pa., and of the Union Church in Belgrade Lakes.
Jack was stricken with polio as an infant and in later years endured post-polio syndrome, none of which kept him from leading an active life. He died Oct. 6, 2008, of brain cancer and is survived by Barbara; their daughters, Anne, Jane Macko, Martha Agate, and Harriett Perez; his brother, Walter F. ’48; and 11 grandchildren.