National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Day worked for Stone and Webster Engineering Corporation.
Ruth H. Anderson was a staff member at Los Alamos during the Manhattan Project. Her husband, Ralph Larsen, worked at Los Alamos as a machinist.
George Kistiakowsky (1900-1982) was a Ukrainian-American physical chemist. He joined the Manhattan Project in late January 1944, leaving his role as chief of the National Defense Research Committee’s Explosives Division.
