National Museum of Nuclear Science & History
Shepard worked at the 200 West Area at Hanford during the Manhattan Project.
J. G. Pettis worked for the Roane-Anderson Company.
Marvin Tetenbaum was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Barr worked for Stone and Webster Engineering Corporation.
Ross Guillet worked for the Tennessee Eastman Corporation at the Y-12 Plant.