Edmund H. Longfellow

George Koval

George Koval was an American chemical engineer and one of the most important Soviet spies of the 20th century.

W. B. Grizzard

Eugene S. Grennan

Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.

Mendel Maskewitz

Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.