National Museum of Nuclear Science & History
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.
R. O. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
Edward Padgett was a staff worker at Los Alamos during the Manhattan Project.
