National Museum of Nuclear Science & History
Hughes worked for Stone and Webster Engineering Corporation.
Crane worked at the 300 Area at Hanford during the Manhattan Project.
Stanislaw Ulam (1909-1984) was a Polish-American mathematician. Ulam was born in 1909 in Lvov, Austria-Hungary (present-day Ukraine).
J. R. Poling worked for the United States Engineer District Office.
