National Museum of Nuclear Science & History
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Earl Otto Casey was a Captain in charge of the 603rd, part of the 509th composite. He is also featured in the Wendover Field Museum, Wendover, UT, and the Museum of the Pacific.
E. H. Gray worked for the Tennessee Eastman Corporation at the Y-12 Plant.