National Museum of Nuclear Science & History
E. F. Hess worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. R. Pancoast worked for the Comstock-Bryant Electric Company.
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. L. Larson worked for Clinton Laboratories at the X-10 Reactor.
