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Robert Dennison

1901 – 1980

United States admiral

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About Robert Dennison

Lived 1901 – 1980 (aged 78). Robert Dennison was an American military officer.

Admiral Robert Lee Dennison (April 13, 1901 – March 14, 1980) was an American naval officer and aide to President Harry Truman.

Early life Dennison was born in Warren, Pennsylvania, and graduated from the United States Naval Academy in 1923. He later received a doctorate in engineering from Johns Hopkins University.

Naval career Dennison held numerous commands in the United States Navy, including submarines, destroyers, and the . Truman twice sailed on the Missouri while Dennison commanded it. He was a naval aide to Harry Truman from 1948 to 1953.

Arleigh Burke, a former classmate of Dennison's who would one day become Chief of Naval Operations, found his career on the brink of ruin, following the Revolt of the Admirals. At the request of Dennison, Truman became involved. As a result, Burke's career stayed on track.

Dennison was involved in some of the first American continuity of government planning operations. He was the Commander in Chief of the United States Atlantic Fleet and United States Atlantic Command from February 28, 1960 to April 30, 1963. While in charge of the Atlantic forces, he was given the duty of blockading Cuba during the Cuban Missile Crisis.

Dennison died of a pulmonary embolism in 1980 at the Bethesda Naval Hospital.

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Important facts

Birth century
Occupation
Nationality
Education
Johns Hopkins University, United States Naval Academy
Positions held
Supreme Allied Commander Atlantic
Awards
Navy Distinguished Service Medal; Legion of Merit
Also known as
Robert L. Dennison, Robert Lee Dennison

People in Robert Dennison's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Robert Dennison's

Frequently asked questions

Who was Robert Dennison?

United States admiral (1901-1980)

When was Robert Dennison born?

Robert Dennison was born on 13 April 1901 in Warren.

When did Robert Dennison die?

Robert Dennison died on 14 March 1980 in Bethesda.

What was Robert Dennison's occupation?

Robert Dennison was a military officer.

What nationality was Robert Dennison?

Robert Dennison was American.

Sources & further reading

· Wikipedia: Robert Dennison

· Wikidata: Q773767

· DBpedia: Robert Dennison (United States Navy officer)

Cite this page

APA: Biography.guide. (2026). Robert Dennison. https://biography.guide/robert-dennison-military-officer/

MLA: "Robert Dennison." Biography.guide, https://biography.guide/robert-dennison-military-officer/.

Chicago: "Robert Dennison." Biography.guide. https://biography.guide/robert-dennison-military-officer/.

Data last updated: 2026-09-22 · Spot an error? Report a correction.

Portrait: Wikimedia Commons · author & licence

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