National Museum of Nuclear Science & History
B. Cogswell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Felix Sandoval was a staff worker at Los Alamos during the Manhattan Project.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. A. Chalkley worked for the Tennessee Eastman Corporation at the Y-12 Plant.