John J. Kroes

Clarence Reynolds

Clarence Reynolds served in the 1027th Air Material Squadron.

William Vail

Mary Lanahan

Mary Lanahan was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Paul Wilkinson

After graduating from Williams College, Paul Wilkinson joined the Manhattan Project. He arrived in Oak Ridge in 1943, where he was sent to the Y-12 plant.