National Museum of Nuclear Science & History
A. W. Groce worked for the Edenfield Electric Company.
Sieck worked at the 200 East Area at Hanford during the Manhattan Project.
Sara B. Chettkow was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Willard Waite was a staff worker at Los Alamos during the Manhattan Project.
