Walter Krieger

Donald Weir

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.

F. M. Downs

F. M. Downs worked for the J.A. Jones Construction Company.

J.A. Sandlin