National Museum of Nuclear Science & History
N. N. Tracy worked for the J.A. Jones Construction Company.
Albert Cahn, Jr. (1910-1978) was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Dyer worked for Stone and Webster Engineering Corporation.
Stephen Weber worked at Los Alamos during the Manhattan Project.
Mary P. Frankel was one of the “human computers” at Los Alamos during the Manhattan Project. In the spring of 1943, Frankel and her husband, Stan, an American physicist who later became a computer scientist, arrived at Los Alamos.
