National Museum of Nuclear Science & History
Seymour Ratner was a staff worker at Los Alamos during the Manhattan Project.
Charles Sterett worked as a physicist at the Clinton Engineer Works in Oak Ridge, Tennessee.
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.
McKinney worked in the 200 East Area at Hanford during the Manhattan Project.
