National Museum of Nuclear Science & History
Parr worked in the 200 East and 100 D Areas at Hanford during the Manhattan Project.
A. M. Hartman worked for the Roane-Anderson Company.
Marcia W. Wooster was a lab technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
G. L. Ryan worked for the United States Engineer District Office.