born April 7, 1893, Watertown, N.Y., U.S.
died Jan. 29, 1969, Washington, D.C.
U.S. diplomat and administrator.
He held diplomatic posts before practicing law with his brother, John Foster Dulles . In World War II he served in the Office of Strategic Services. After the war he chaired a committee to survey the U.S. intelligence system. When the Central Intelligence Agency was established in 1951, he became its deputy director. As director (195361), he oversaw the agency's early successes, but the U-2 Affair (1960) and the Bay of Pigs invasion (1961) led to his resignation.