National Museum of Nuclear Science & History
Harry N. Barnard served in the 320th Troop Carrier Squadron.
Ethel Ann Caylor was a nurse at the Los Alamos Hospital. She worked here from 1944 to 1945. While not much is known of Caylor’s work, it is believed that she was assigned to the maternity ward.
Harold Hoover was a member of the Special Engineer Detachment during the Manhattan Project. He worked as a filter foreman at the Y-12 Plant, but his real job was in counterintelligence, to ensure no sabotage occurred.
Jay Hitchcock worked in the Shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.