National Museum of Nuclear Science & History
Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harold McCurdy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. R. O'Neill worked for the Tennessee Eastman Corporation at the Y-12 Plant.
J. P. Angle worked for the J.A. Jones Construction Company.