National Museum of Nuclear Science & History
Calvin B. Popwell served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Big Stink, and he and his crew were later reassigned to Luke the Spook.
Martin Webb was an American military officer. In 1944, Webb was assigned to the Manhattan Engineer District as an intelligence officer.
Jean Wallace was a research assistant in the health division of the Chicago Met Lab during the Manhattan Project.
Dr. Muriel Cuykendall was a physician at Los Alamos during the Manhattan Project. She was married to engineering physicist Trevor Cuykendall, who also worked on the project at Los Alamos.