National Museum of Nuclear Science & History
MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Jernigan worked for Stone and Webster Engineering Corporation.
Billy A. West served in the First Ordnance Squadron.
Frederick Roach served in the Army at Los Alamos during the Manhattan Project.