National Museum of Nuclear Science & History
Carroll worked for Stone and Webster Engineering Corporation.
T. F. Walsh worked for the United States Engineer District Office.
T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leo Brewer (1919-2005) was an American chemist. Brewer finished his undergraduate degree at CalTech in 1940.