National Museum of Nuclear Science & History
Gebhardt worked for Stone and Webster Engineering Corporation.
R. K. Rouse worked for the Poe Piping & Heating Company.
Howard Parsons was an American physicist. Parsons was born in Chicago in 1920. He receieved a B.S. from the University of Chicago, and shortly afterwards was hired to work on the Manhattan Project as a research assistant at the Chicago Met Lab.
Morton Camac (1923-2012) was an American physicist. Camac graduated from the University of Chicago in 1943 and stayed there to work under Enrico Fermi on the Chicago Pile-1 nuclear reactor.