National Museum of Nuclear Science & History
Perry Johnson 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.
Adolph Gasser served in the 390th Air Service Group.
O’Black worked in the 200 East Area at Hanford during the Manhattan Project.