Law clerk, Hon. Learned Hand, U.S. Court of Appeals for the Second Circuit, 1930-1931
Private practice, New York City, 1931-1943, 1946-1964, 1965-1968
Solicitor general, State of New York, 1943-1946
Special counsel for matters relating to the United Nations, Gov. Thomas Dewey, New York, 1946
Special hearing officer for conscientious objectors, U.S. Department of Justice, 1953-1958
Judge, Kings County [New York] Surrogate`s Court, 1964
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