National Museum of Nuclear Science & History
Perry worked in the 200 West Area at Hanford 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.
Francis W. Keene served in the 603rd Air Engineering Squadron.
Leonard Beyer worked for the Tennessee Eastman Corporation at the Y-12 Plant.