Frank Vaughan

E. C. Engels

Anthony J. Okleshen

Anthony J. Okleshen worked in the shop at the University of Chicago’s Metallurgical Laboratory.

Henry A. Nowak

Henry Nowak worked for the Union Carbide & Carbon Corporation.

David B. Nicodemas

David Nicodemus (1916-1999) was an American physicist. Nicodemus worked at Los Alamos during the Manhattan Project and witnessed the Trinity Test.