National Museum of Nuclear Science & History
Harold Moorehead served in the 603rd Air Engineering Squadron.
Herbert L. Martin was a member of the 1st Ordnance Squadron in the 509th Composite Group in Wendover, Utah and Tinian Island in the Pacific.
Arthur L. Johnson served in the 390th Air Service Group.
Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.