Nuclear Museum Logo
Nuclear Museum Logo

National Museum of Nuclear Science & History

Harold J. Rider

Navigator on the Enola GayTinian Island

Wendover, UT
509th Composite GroupManhattan Project VeteranMilitary Veteran
Enola Gay Crew Members

Harold J. Rider served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group. The 509th Composite Group was headed by Colonel Paul W. Tibbets and tasked with the deployment of the two nuclear bombs in August of 1945. Rider served as a navigator on the Enola Gay, but was not part of the mission that dropped the Little Boy bomb on the Japanese city of Hiroshima on August 6, 1945.

Related Profiles

J. M. Bryson

Hanford, WA

Bryson worked at the 300 Area at Hanford during the Manhattan Project. 

William B. Holton

Washington, DC

William Bultman Holton was Chairman of the Chemistry Department at American University in 1938.

Dieter Gruen

Oak Ridge, TN

Dr. Dieter M. Gruen is an internationally known German-American chemist, inventor, and innovator. Born in Waldorf, Germany in 1922, Dr.

Joe Stalder

Oak Ridge, TN

Stalder worked for Stone and Webster Engineering Corporation.