George Friedman

J. W. Stein

J. W. Stein worked for the Union Carbide & Carbon Corporation.

Hope Sloan Amacker

Hope Sloan was 25 in 1944, a dark-haired WAC corporal and secretary in military intelligence. In July, she joined the construction camp's morale-building effort by entering a beauty contest, part of an "exposition "promoting safety on and off the job.

Marvin B. Lutzow

Ralph A. James

Ralph A. James (1920-1973) was a research associate in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.