National Museum of Nuclear Science & History
Gordon Hamilton worked for the J.A. Jones Construction 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.
Robert Scott was an American chemist. He completed his undergraduate education at the University of Miami-Ohio.
Pfeiff worked in the 200 West Area at Hanford during the Manhattan Project.