National Museum of Nuclear Science & History
Winzenburg worked for Stone and Webster Engineering Corporation.
Barton B. Crespin served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
Donald Swinehart (1917-1993) was an American chemist. Swinehart was born in Strasburg, Ohio. He received a B.
