National Museum of Nuclear Science & History
Badger worked in the 100 B Area at Hanford during the Manhattan Project.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Vernon Lindberg worked for the United States Engineer District Office.
