National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
Heatherington worked for Stone and Webster Engineering Corporation.
George Prickett worked for the Roane-Anderson Company.
S. E. Briggs worked for Clinton Laboratories at the X-10 Reactor.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.