Dr. M. R. Petersen

Gunther W. Hermorath

William S. Ginell

William Ginell is a physical chemist who worked at Columbia University and Oak Ridge during the Manhattan Project.

C. J. McGruder

McGruder worked for Stone and Webster Engineering Corporation.

Berlyn Brixner

Berlyn Brixner was hired into Los Alamos in July of 1943. He became a member of the Optical Engineering Group assembled by Professor Julian Ellis Mack to assist in providing optical and camera support for the various groups within the Manhattan Project.