National Museum of Nuclear Science & History
Coughlin worked for 200 East Area at Hanford during the Manhattan Project.
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.
Berry worked in the United States Engineer District Office.