National Museum of Nuclear Science & History
Elmer began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.
Before he came to Hanford Sam Campbell had a varied work history, including service with the coast artillery in the Philippines and pipeline construction in South America.
Hugo Griep served in the 1395th Military Police Company, Aviation.