National Museum of Nuclear Science & History
Diener worked for Stone and Webster Engineering Corporation.
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.
George Kehl was a metallurgist and professor at Columbia University’s School of Mines. He worked at Los Alamos on the Manhattan Project.
R. R. Tippy worked for the Tennessee Eastman Corporation at the Y-12 Plant.