National Museum of Nuclear Science & History
Preston Veltman was an American chemist. Veltman was born in Grand Rapids, Michigan. He studied at Michigan Technological University, and earned a Ph.
Jack Widowsky served as a second lieutenant in the 393rd Bombardment Squadron. He was regularly assigned to the B-29 Top Secret.
Winona Schiepel was as a civilian contractor for various projects in the K-25 plant at Oak Ridge, Tennessee.
