National Museum of Nuclear Science & History
H. J. Peyton worked for the United States Engineer District Office.
Baker worked in the 300 Area at Hanford during the Manhattan Project.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chapman worked at the 200 West Area at Hanford during the Manhattan Project.
Collie worked in the United States Engineer District Office.