National Museum of Nuclear Science & History
Ruby Munroe was a staff worker at Los Alamos during the Manhattan Project.
J. M. French worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. H. Thirloway worked for the Union Carbide & Carbon 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.