National Museum of Nuclear Science & History
Fred D. Butler served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Laggin’ Dragon.
Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.