National Museum of Nuclear Science & History
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hawes worked at the 100-F Area at Hanford during the Manhattan Project.
Waldo F. Christy was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Herbert L. Martin was a member of the 1st Ordnance Squadron in the 509th Composite Group in Wendover, Utah and Tinian Island in the Pacific.
