National Museum of Nuclear Science & History
Louis Henry Hempelmann (1914-1993) was Director of the Health Group at the Los Alamos site of 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.
