National Museum of Nuclear Science & History
Orval Whan served in the 603rd Air Engineering Squadron.
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Delbert Ball was a procurement officer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
A. A. Maupin worked for the Kellex Corporation at the K-25 Plant.