David L. Patten

Bartholomew B. Rivers

Bartholomew "Bart" Rivers was an instrument technician at the Hanford, Washington facility from 1943 through the end of the war.

Walter S. Carpenter, Jr.

Walter Samuel Carpenter, Jr. was a corporate executive at DuPont who oversaw the company's involvement in the Manhattan Project.

J. P. Langan

Hayden Rector

Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.