National Museum of Nuclear Science & History
John H. Williams (1908-1966) was a Canadian-American physicist. Williams transferred to Los Alamos in early 1943 and was among the first group of scientists to arrive on the Hill.
H. VanDerHorn served in the 390th Air Service Group.
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.