National Museum of Nuclear Science & History
Matson worked in the 100 F Area at Hanford during the Manhattan Project.
Norma Gross was an American chemist. She was married to an Army lieutenant who was stationed at Los Alamos during the Second World War.
E. E. Beauchamp worked for Clinton Laboratories at the X-10 Reactor.
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.