About Leonard Clark
Lived 1907 – 1957 (aged 50). Leonard Clark was an American spy, writer and explorer.
Leonard Francis Clark (January 6, 1907, United States – May 4, 1957, Venezuela) was an American explorer, writer, and OSS colonel.
He attended the University of California, Berkeley. During the Second World War he joined the army and then the Office of Strategic Services. He flew in China behind Japanese lines, organized guerrilla activity and espionage in China and Mongolia. He attained the rank of colonel.
After the war he organized mostly one-man expeditions in Borneo, Mexico, the Celebes, Sumatra, China, Tibet, India, Japan, Central America, South America, and Burma. He died on a diamond-mining expedition in Venezuela.
Leonard Clark was the writer of a number of successful books about his expeditions.
Works A Wanderer Till I Die The Marching Wind The Rivers Ran East Yucatan Adventure
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Important facts
Contemporaries
People whose lives overlapped Leonard Clark's
Frequently asked questions
Who was Leonard Clark?
explorer, writer, OSS agent
When was Leonard Clark born?
Leonard Clark was born on 6 January 1907.
When did Leonard Clark die?
Leonard Clark died on 4 May 1957 in Venezuela.
What was Leonard Clark's occupation?
Leonard Clark was a spy, writer and explorer.
What nationality was Leonard Clark?
Leonard Clark was American.
Sources & further reading
· DBpedia: Leonard Clark (explorer)
Cite this page
APA: Biography.guide. (2026). Leonard Clark. https://biography.guide/leonard-clark-spy/
MLA: "Leonard Clark." Biography.guide, https://biography.guide/leonard-clark-spy/.
Chicago: "Leonard Clark." Biography.guide. https://biography.guide/leonard-clark-spy/.
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