National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Bert Tolbert joined the Manhattan Project in 1944 while completing his PhD in Chemistry from the University of California at Berkeley.
DeRenzis worked in the United States Engineer District Office.
Granville K. Hartley served in the 1027th Air Material Squadron.
William Kann was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.