National Museum of Nuclear Science & History
Bobby E. Horn served in the 1st Ordnance Squadron.
Willingham worked at the 200 West Area at Hanford during the Manhattan Project.
Ernest C. Lawrence was a millwright at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Raymond C. Grills is an American physical chemist who worked at the University of Chicago’s Metallurgical Laboratory and at Hanford during the Manhattan Project.
