National Museum of Nuclear Science & History
C. J. Meyer worked for the Roane-Anderson Company.
Dennis Dwyer was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Marshall Holloway was an American physicist. He received his PhD in physics from Cornell University. In 1942, he directed a secret Manhattan Project assignment at Purdue University.
Roland Kreuger worked for the Tennessee Eastman Corporation at the Y-12 Plant.