National Museum of Nuclear Science & History
Louis Olivas was a staff worker at Los Alamos during the Manhattan Project.
Celeste Hand was a switchboard operator at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Charles Critchfield (1910-1994) was an American mathematical physicist. In December 1942, he was approached by J.
Robert Ingersoll Howes Sr. was an electrical engineer and one of the first 100 scientists recruited to Los Alamos to work on the Manhattan Project.
