National Museum of Nuclear Science & History
Ed Helfenberger worked for the Roane-Anderson Company.
Tom Scolman arrived in Los Alamos shortly after receiving his Ph.D. in physics from the University of Minnesota under renowned physicist Alfred Nier.
H. R. House worked for the Union Carbide & Carbon Corporation.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
