National Museum of Nuclear Science & History
Calvin S. Shepherd worked on the Manhattan Project at Los Alamos, NM and the Trinity Site.
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.
F. C. Legler worked for the Tennessee Eastman Corporation at the Y-12 Plant.
