Educated Hotchkiss School, Lakeville, Connecticut. Bachelor of Arts, Princeton, 1926, Doctor of Laws, 1960. Doctor of Laws, Hofstra University, 1959, Queen's, 1961, Harvard, 1968.
Doctor of Civil Law, Bishop’s University, 1962.
Associate, Scudder, Stevens & Clark, investment counsel firm. 1926-1930, partner, 1930-1942. With unites states department State, 1942-1962, assistant chief division defense materials, 1942, chief war areas Division, 1945.
Counselor for economics affairs with rank of minister American embassy, Paris, 1945-1946.
Chief aviation division State Department, 1946-1948. Appointed foreign service officer, 1947.
Counselor American embassy, Nanking, China, 1948-1949. Deputy assistant secretary state for Far Eastern Affairs, 1949-1951, deputy for political affairs to the United States special representative in Europe, alternate United States permanent representative North. Atlantic Council, Paris, rank ambassador, 1952-1953.
Assistant secretary state for European Affairs, 1953-1956, 58-59.
Ambassador to Canada, 1956-1958, 61-62. Under secretary state for political affairs, 1959-1961. Retired foreign service, 1962.
United States executive director International Bank for Reconstruction and Development, 1965-1968.
Delaware or adviser numerous international conferences Charter trustee emeritus Princeton.
Clubs: Metropolitan, Alibi, Alfalfa, Chevy Chase, Princeton (Washington).
Married Elizabeth Stiles, December 10, 1927. Children: Elizabeth G. (deceased), Mary Tallmadge, Livingston Tallmadge.