National Museum of Nuclear Science & History
Graf worked at the 300 Area at Hanford during the Manhattan Project.
Rex Edward Keller was a member of the Special Engineering Detachment, assigned to work in Seth Neddermeyer’s chemistry group at Los Alamos.
Lee R. Masoner served with the 603rd Air Engineering Squadron of the 509th Composite Group on Tinian Island in the South Pacific during World War II.
Donald Hurst worked for the Tennessee Eastman Corporation at the Y-12 Plant.
