National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
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.
J. C. Clemens served in the 390th Air Service Group.
Kelley worked in the 300 Area at Hanford during the Manhattan Project.
