National Museum of Nuclear Science & History
J. P. Marus 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.
Waldo E. Cohn was an American biochemist who worked in health physics and isotope separation during the Manhattan Project.
