National Museum of Nuclear Science & History
Leo Seren (1918-2002) was an American physicist. Seren (in photo, first row standing, far right) was born on May 9, 1918.
Otto Hillig was a Danish machinist who helped work on various projects in the early days of the Manhattan Project.
A. C. Crymble worked for the Tennessee Eastman Corporation at the Y-12 Plant.
