National Museum of Nuclear Science & History
Dorothy Isgett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
L. L. Larson worked for Clinton Laboratories at the X-10 Reactor.
Frank J. Schnettler was an American metallurgist who studied the properties of plutonium at Los Alamos.
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.