National Museum of Nuclear Science & History
Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Kenneth Peterson was a cryptographer for the 390th Air Service Group in the 509th Composite Group from September 1944 to November 1945.
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.
A. L. Bladholm worked for the J.A. Jones Construction Company.