National Museum of Nuclear Science & History
James Van Pelt served as a captain in the 393rd Bombardment Squadron of the 509th Composite Group. He flew in the Great Artiste as a navigator during the mission to bomb Hiroshima.
Ernest William Titterton was a British nuclear physicist who worked on the Manhattan Project as part of the British Mission to Los Alamos.
Robert Muller worked for the United States Engineer District Office.
Thomas Sommerville worked for the Watson-Flagg Engineering Company.