National Museum of Nuclear Science & History
Lawrence Langer served in the Special Engineering Detachment and Project Alberta as part of the team that transported and assembled the Little Boy and Fat Man atomic bombs.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gertrude Mitchell worked for the Roane-Anderson Company.
J. B. Fletcher worked for the Tennessee Eastman Corporation at the Y-12 Plant.
