National Museum of Nuclear Science & History
Carroll Villincs was a guard at the Chicago Met Lab during the Manhattan Project.
C. M. Nelson worked for Clinton Laboratories at the X-10 Reactor.
Kreitzberger worked in the 200 East Area at Hanford during the Manhattan Project.
Milton Kahn was a Chemistry graduate student, at the University of California. Kahn focused on Radiochemistry throughout his career.