National Museum of Nuclear Science & History
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
J. A. Kilmer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Seymour Bernstein (1923-2015) was an American chemical engineer who worked on the Manhattan Project. He was a member of the Special Engineer Detachment at Oak Ridge and worked as a laboratory supervisor at the K-25 Plant.
