National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
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.
Jessen worked at the 100-F Area at Hanford during the Manhattan Project.
Clarence Trammell was a staff worker at Los Alamos during the Manhattan Project.
