National Museum of Nuclear Science & History
Albert Thompson was a military doctor stationed at Oak Ridge, Tennessee in 1945. Thompson had served in the European Theatre of the war prior to going to Oak Ridge.
P. G. Kinken worked for the United States Engineer District Office.
Eva Pennartz worked for the Roane-Anderson Company.
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.