National Museum of Nuclear Science & History
O'Brien worked for Stone and Webster Engineering Corporation.
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Banwell worked at the 300 Area at Hanford during the Manhattan Project.
Jas Hart worked for the Comstock-Bryant Electric Company.
Dr. Richard Baker worked at the Ames Laboratory before transferring to Los Alamos. Considered the father of plutonium chemistry, Baker had a long career at the Los Alamos National Laboratory.
