National Museum of Nuclear Science & History
Oscar J. Thigpen served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Top Secret.
William Crum was born on September 4, 1925, in Hancock County, IL. He was the seventh of eight siblings who grew up on a farm in Western Illinois near the Mississippi River.
McKnight worked in the 100 B Area at Hanford during the Manhattan Project.
Grizzell worked in the United States Engineer District Office.