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.
John W. Willis served in the First Ordnance Squadron.
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. L. Hoss served in the 509th Headquarters and Base Services Squadron.
