National Museum of Nuclear Science & History
Long worked for Stone and Webster Engineering Corporation.
C. A. Lindenmeyer worked for the Midwest Piping and Supply Company.
Jacob H. Wiens was a nuclear physicist who worked on the Manhattan Project from 1943 to 1945. He later worked at the Lawrence Livermore National Laboratory where he interacted with Luis Alvarez.
Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.