National Museum of Nuclear Science & History
Sineath Jr. worked at the 200 East Area at Hanford during the Manhattan Project.
Clinton B. Gass was a G.I. at Los Alamos who worked in the Special Engineer Detachment unit under the Theoretical Physics Division, headed by Dr.
Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.
