National Museum of Nuclear Science & History
Ebbett worked for Stone and Webster Engineering Corporation.
Raymond. J. Bosnak was an electrical engineer at Chicago when he enlisted in the Army. He was assigned to the Special Engineer Detachment at Los Alamos.
Chellberg worked for Stone and Webster Engineering Corporation.
Harold Lichtenberger was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.