National Museum of Nuclear Science & History
Prisda Rosen was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
W. Harrison worked for the H. K. Ferguson Company.
Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.
John Willard was a research associate at the Chicago Met Lab during the Manhattan Project.
