National Museum of Nuclear Science & History
Ralph Watson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. L. Richardson worked for the Union Carbide & Carbon Corporation.
Helen E. Krinek was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Anne MacGregor Perley was a biochemist who worked on the Manhattan Project at Los Alamos. She was part of Louis Hempelmann’s Health Group, one of his many recruits from Washington University in St.
