Jacob I. Cokin

Milferd A. Phillips

Lt. Francis O’Sullivan

Lt. Francis O’ Sullivan was the third officer om the job when he arrived December 11, 1942, had served in Vicksburg, Mobile and the Lower Mississippi Valley before he came to Oak Ridge.

R. H. Merley

Robert Thornton

Robert Lyste Thornton was a Canadian-American physicist who oversaw the constuction and operation of the Beta calutron electromagnetic separation Plant in Oak Ridge, Tennessee during the Manhattan Project.