National Museum of Nuclear Science & History
Chellis worked for Stone and Webster Engineering Corporation.
R. L. Fellers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Thomas Brill was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
J. P. Sinclair worked for Clinton Laboratories at the X-10 Reactor.
Conrad Roescke was a staff worker at Los Alamos during the Manhattan Project.