National Museum of Nuclear Science & History
Stalder worked for Stone and Webster Engineering Corporation.
W. R. Perret worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
Robert Schuch worked in the shop at the Metallurgical Laboratory in Chicago during the Manhattan Project.
