National Museum of Nuclear Science & History
Bottomley worked in the United States Engineer District Office.
Ledbetter worked in the 200 East Area at Hanford during the Manhattan Project.
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.