National Museum of Nuclear Science & History
Roy Schroeder was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
Virginia Meschke was a chemist and technician at the University of Chicago Met Lab. She specialized in plutonium chemistry.
R. T. Robertson worked for the Tennessee Eastman Corporation at the Y-12 Plant.