National Museum of Nuclear Science & History
Ruby Palen worked for the United States Engineer District Office.
George Weisiger worked at Oak Ridge during the Manhattan Project, although it remains unknown what his specific duties were.
J. B. Kaiser worked for the Midwest Piping and Supply Company.
J. G. Pettis worked for the Roane-Anderson Company.
Julian Mack was an American physicist. Mack was the leader of Group G-11 (Optics), the photography group, in the Weapons Physics Division at Los Alamos during the Manhattan Project.
