National Museum of Nuclear Science & History
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
Harry Prosceno worked for the United States Engineer District Office.
Attended the University of North Dakota.
Walt Grisham grew up on a farm at Hanford in the 1930s. He was serving in the Air Force in England during World War II when his parents were informed that they would need to leave the farm – the site was being requisitioned for the Manhattan Project.