National Museum of Nuclear Science & History
D. D. Frazer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert F. Christy (1916-2012) was a Canadian-American theoretical physicist Christy’s doctoral advisor at the University of California, Berkeley was Robert Oppenheimer, but Christy’s initial involvement with the Manhattan Project came at the Metallurgical Lab at the University of Chicago.
Herman Croft, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.