National Museum of Nuclear Science & History
Edward F. “Ed” Hammel was an American chemist. Hammel had just completed his Ph.D. at Princeton University when he joined a Canadian heavy water project sponsored by the school in 1941.
Thomas was a group adjutant with the 509th Composite Group at their headquarters in Wendover, Utah and Tinian Island in the Pacific.
Samuel Beall Jr. is a nuclear engineer who worked on the Manhattan Project at Chicago, IL, Oak Ridge, TN, and Hanford, WA.
