National Museum of Nuclear Science & History
Alvin Graves (1909-1965) was an American physicist. Graves was invited to join the University of Chicago Metallurgical Laboratory and in 1942 he accepted the position and became a member of the Manhattan Project.
H. R. Chapman worked for the H. K. Ferguson Company.
Joseph S. Stiborik served as a sergeant in the 393rd Bombardment Squadron, a part of the 509th Composite Group.
Hugo Griep served in the 1395th Military Police Company, Aviation.
