National Museum of Nuclear Science & History
Kenneth Wertz served in the 390th Air Service Group.
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.
Leinberger worked in the 200 W Area at Hanford during the Manhattan Project.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
