National Museum of Nuclear Science & History
Roger J. Ellis served in the 603rd Air Engineering Squadron.
Muldrew worked in the 300 Area at Hanford during the Manhattan Project.
August “Gus” Knuth was a millwright and carpenter who helped construct Chicago Pile-1. He was present on December 2, 1942 when the pile went critical in the first self-sustaining chain reaction in history.
Elinor Pulitzer Hempelmann (1922-2012) was a secretary at Los Alamos during the Manhattan Project and wife of Health Group Director Louis Hempelmann.