National Museum of Nuclear Science & History
Jas Pryor worked for the J.A. Jones Construction Company.
H. R. Chapman worked for the H. K. Ferguson Company.
Robert Mackenzie “Bob” Underhill (1893-1988) was a finance officer for the University of California during the Manhattan Project.
Joseph (J.) Garrott Allen was a research associate in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
