Chapman was involved in Republican politics in New York, and managed several campaigns in the state.
Chapman was born in 1904 on Long Island; he attended law school at Columbia University.
Chapman was the New York manager for Dewey's unsuccessful presidential bid, and remained involved in Republican politics until the age of 70.
Born on November 2, 1904[1] in Hempstead, New York, Chapman attended Williams College and Columbia Law School,[2] from which he graduated in 1930.
He was unsuccessful in managing John Foster Dulles's 1949 Senate bid against former governor Herbert Lehman[1] but was successful in managing Dewey's 1950 bid for a third term and in securing New York for Dwight Eisenhower in 1952 and 1956.