National Museum of Nuclear Science & History
McKnight worked in the 100 B Area at Hanford during the Manhattan Project.
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
Antonio Tapia was a staff worker at Los Alamos during the Manhattan Project.
Jewel Duran served in the 1395th Military Police Company, Aviation.
Hugh Barton was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.