National Museum of Nuclear Science & History
Clarence Grover Sproul worked as a machinist on the Manhattan Project in Los Alamos, NM from January through June 1945.
Berlyn Brixner was hired into Los Alamos in July of 1943. He became a member of the Optical Engineering Group assembled by Professor Julian Ellis Mack to assist in providing optical and camera support for the various groups within the Manhattan Project.
Attended Case Western Reserve University.