John W. Richter

John Mench

John Mench was assigned to the Special Engineer Detachment at Los Alamos where he worked as a pattern maker, creating wooden casts for metal work at the site’s foundry.

O. C. Allred

O.J. Stamm

Robert Brode

Robert Brode (1900-1986) was an American physicist. In 1941, at the outset of the war, Robert Brode went to work in the Applied Physics Laboratory at Johns Hopkins University to aid the development of the proximity fuse.