National Museum of Nuclear Science & History
John Venerable was a guard at the Chicago Met Lab during the Manhattan Project.
Barksdale worked for Stone and Webster Engineering Corporation.
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.
A. H. Yohannan worked for the Roane-Anderson Company.
