National Museum of Nuclear Science & History
Allen worked at the 200 West Area at Hanford during the Manhattan Project.
Briggs worked at the 100-D Area at Hanford during the Manhattan Project.
R. M. Ayers worked for the Roane-Anderson Company.
Grace Wallace worked for the United States Engineer District Office.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
