National Museum of Nuclear Science & History
E. C. Smith, Jr. worked for the Kellex Corporation at the K-25 Plant.
Don Crockett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Edward Grzywinski served in the 1395th Military Police Company, Aviation.
Ralph Steinhardt was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.