Leonard W. Fromm Jr.

E. A. Hetzner

E. A. Hetzner worked for the Oak Ridge Recreation and Welfare Association.

Sherman Fried

Sherman Fried was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Delbert F. Johnson

Delbert Johnson was a mechanical engineer with the Special Engineer Detachment (SED) at Los Alamos. Johnson worked under 1st Lieutenant Howard C.

Vincent R. Holmquist