Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Thomas H. Cowley

Military PoliceLos Alamos, NM

Manhattan Project VeteranMilitary Veteran

Thomas Cowley was a Military Policeman assigned to Post Security at Los Alamos, New Mexico during the Manhattan Project. Cowley, originally hailing from Alabama, was a member of the 4817th Military Police Detachment and served from 1945 through 1946.

Cowley received this certificate along with every other Manhattan Project veteran after the atomic bomb was dropped. Most of the workers did not know the full nature of the project until they received this certificate. 

Related Profiles

John F. Loomis

Tinian Island

John F. Loomis served in the 603rd Air Engineering Squadron.

Hester Moore

Hanford, WA

Hester Moore was a supervisor in the Communications Department at the Manhattan Project’s Hanford, Washington site during World War II.

Sheffield Gordon

Chicago, IL

Sheffield Gordon was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Leo Wojtanowski

Chicago, IL

Leo Wojtanowski worked in a shop at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.