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.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
Antilla worked in the United States Engineer District Office.
Erika Staub was a staff worker at Los Alamos during the Manhattan Project.
