National Museum of Nuclear Science & History
Fox Jordan worked for the J.A. Jones Construction Company.
Joyce Clennam Stearns (1893-1948) was an American physicist who served as Director of the University of Chicago Metallurgical Laboratory (Met Lab) from November 15, 1944 to July 1, 1945.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
J. S. Hart worked for the Tennessee Eastman Corporation at the Y-12 Plant.