Jack died March 10, 2007.
After graduating from Princeton, Jack attended MIT, where he earned a master’s degree in chemical engineering. The following year he worked on his doctorate in chemistry at Columbia University. All this prepared him for his principal occupation, which he described as solving ill-structured problems of industry through adaptation of the scientific method, for General Electric Co., Borden, the New York Stock Exchange, and finally as a semiretired consultant for the New York Clearing House banks and major brokerage firms.
Jack enjoyed helping young people develop more fully as adviser to the Liberal Religious Youth of the Unitarian Church, and as a senior officer of several Unitarian churches, social clubs, and youth-run camps. He was a member of the Princeton Schools Committee for Suffolk County.
Predeceased by his wife, Shirley, Jack is survived by their daughters, Betty Jo Pfeiffer and Amy Louise Grossman, to whom we offer our sincere sympathy.