National Museum of Nuclear Science & History
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.
Anne MacGregor Perley was a biochemist who worked on the Manhattan Project at Los Alamos. She was part of Louis Hempelmann’s Health Group, one of his many recruits from Washington University in St.
Leon O. Jacobson was Associate Director of the Health Division and Section Chief of H-I, Clinical Medicine and Medical Research, at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.