National Museum of Nuclear Science & History
Harry Reason was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William “Willie” H. Zachariasen was a physicist and consultant at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Roth worked at the 200 East Area at Hanford during the Manhattan Project.
F. B. Nevels worked for the Tennessee Eastman Corporation at the Y-12 Plant.