National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
George W. Green served in the 1395th Military Police Company, Aviation.
Jesus Royball was a staff worker at Los Alamos during the Manhattan Project.
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.
