National Museum of Nuclear Science & History
Don Ross worked for the Union Carbide & Carbon Corporation.
William J. Jenceleski served in the 603rd Air Engineering Squadron.
Leonard Beyer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norman Harry Nachtrieb was an American chemist who worked on the Manhattan Project at the University of Chicago and Los Alamos.
Marian S. Baumann was a laboratory technician at the Metallurgical Laboratory in Chicago during the Manhattan Project.