National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
Stanley G. Thompson was an American chemist responsible for the bismuth phosphate separation process used in the production of plutonium at the Hanford site during the Manhattan Project.
Eleanor (Hauk) Pomerance was a technician and draftswoman (technical artist) at the University of California, Berkeley and Clinton Laboratories in Oak Ridge, TN.
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.