E. J. Sekeres

Franklin Matthias

Colonel Franklin Matthias (1908 – 1993) was the officer-in-charge at the Hanford site. Matthias, a civil engineer, had been a close associate of General Groves since the beginning of the Manhattan Project, and was asked to review sites in the West.

F. B. McCann

 McCann worked in the 200 East Area at Hanford during the Manhattan Project.

Thomas I. Stark

John Crawford

John Crawford was a physicist and research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.