National Museum of Nuclear Science & History
Edward F. “Ed” Hammel was an American chemist. Hammel had just completed his Ph.D. at Princeton University when he joined a Canadian heavy water project sponsored by the school in 1941.
Fred Dennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Paris Howard was a member of the Special Engineering Detachment (SED) assigned to Los Alamos from May 1945 to April 1946.
