Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah. Simpson, as a classified materials courier, frequently traveled in heavily armed convoys to Utah and Los Alamos by truck and plane. He retired in 1972 as deputy director of security at Hanford.

Related Profiles

Charles W. Mignon

K-25 Plant

Charles Mignon worked for the Kellex Corporation at the K-25 Plant.

Abraham L. Longfield

Chicago, IL

Abraham L. Longfield was a Procurement and Property Officer for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

A. Smith

Hanford, WA

Edward Adler

Columbia University

Edward Adler (1916-1998) was an American electrochemical engineer. During the Manhattan Project, Adler worked in a laboratory at Columbia University under Professor Harold Urey and Dr.