National Museum of Nuclear Science & History
L. A. Castellanos worked for the J.A. Jones Construction Company.
Dr. Alexander Langsdorf (1912-1996) was an American physicist who worked under Enrico Fermi at the University of Chicago.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hamilton worked at the 200 West Area at Hanford during the Manhattan Project.
