National Museum of Nuclear Science & History
Hugh Barton was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Majorie Feltz helped with clerical tasks at Los Alamos, including on the facility's supply records and cardex system in 1946.
Sherman Winters was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Roger Rasmussen was an electrical engineer and member of the Special Engineer Detachment at Los Alamos.