National Museum of Nuclear Science & History
Harold J. Rider served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Otto Frisch (1904-1979) was an Austrian-born physicist. Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.
