National Museum of Nuclear Science & History
Bretscher worked at Los Alamos during the Manhattan Project.
Marjorie Richmond was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Sayers worked for Stone and Webster Engineering Corporation.
Coffey worked at the 300 Area at Hanford during the Manhattan Project.
Zellers worked at the 300 Area at Hanford during the Manhattan Project.