National Museum of Nuclear Science & History
M. A. Richtmyer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
T. J. Costello worked for the Comstock-Bryant Electric Company.
Thomas Velasquez was a staff worker at Los Alamos during the Manhattan Project.
Rupp worked at the 300 Area and the 200 West Area at Hanford during the Manhattan Project.