National Museum of Nuclear Science & History
A. A. Groppe worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George R. Carlson was a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carleton Clark McEachern was a sergeant in the 509th Composite Group. He was regularly assigned to the B-29 Laggin’ Dragon as the tail gunner.
