National Museum of Nuclear Science & History
Harold Delaney (1919-1994) was an American chemist. Delaney was born in Philadelphia in 1919, and went on to receive a B.
Manuel Schwartz was a physicist. He worked at Los Alamos as a civilian employee from about July 6, 1944, until January or February 1946.
Leonard worked in the 300 Area at Hanford during the Manhattan Project.