National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Koetski worked at the K-25 plant at Oak Ridge during the Manhattan Project. He was also a member of the K-25 basketball team.
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
James F. Delehanty served in the 1395th Military Police Company, Aviation.