National Museum of Nuclear Science & History
Bradley Jr. worked at the 200 West Area at Hanford during the Manhattan Project.
F. E. Clark worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Howard R. Kratz (1916-2013) was a nuclear physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Bates worked in the United States Engineer District Office.