National Museum of Nuclear Science & History
M. G. Sonner worked for the J.A. Jones Construction Company.
William Liukkonen served in the 603rd Air Engineering Squadron.
Ralph Carlisle Smith was born in 1910 in New York. He co-authored Project Y: The Los Alamos Story, with David Hawkins and Edith Truslow.
Otto Frisch (1904-1979) was an Austrian-born physicist. Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.
