National Museum of Nuclear Science & History
J. P. Hogan worked for Hanley & Company.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
I. E. Martin worked for the Union Carbide & Carbon Corporation.
Victor Yack was a member of the Military Police at Los Alamos and at Sandia Base in Albuquerque from 1946 to 1947.