National Museum of Nuclear Science & History
Gagen worked in the United States Engineer District Office.
Carpenter worked at the 200 East Area at Hanford during the Manhattan Project.
Angeline Sniegoski was a staff worker at Los Alamos during the Manhattan Project.
David H. Frisch was an American physicist. He worked on the Manhattan Project at Los Alamos, working with the Van de Graaff long tank accelerator to measure neutron cross sections.
Henry worked at the 300 Area at Hanford during the Manhattan Project.