List of Famous people who died in 1973

Robert Leslie Carroll Conly, better known by pen name Robert C. O'Brien, was an American novelist and a journalist for National Geographic magazine.

Ralph Lee Earnhardt was an American stock car racer. He was the father of 7 time NASCAR Cup Series champion Dale Earnhardt, grandfather of Kerry Earnhardt, Kelley Earnhardt Miller, Dale Earnhardt, Jr., and Taylor Earnhardt Putnam and great grandfather of Bobby Dale Earnhardt and Jeffrey Earnhardt. Earnhardt helped give Bobby Isaac his start in racing.

Henri Arnold Seyrig was a French archaeologist, numismatist, and historian of antiquities. He was general director of antiquities of Syria and Lebanon since 1929 and director during more than twenty years of the Institute of archaeology of Beirut.

Warren Hamilton Lewis was an Irish historian and officer in the British Army, best known as the elder brother of the author and professor C. S. Lewis. Warren Lewis was a supply officer with the Royal Army Service Corps of the British Army during and after the First World War. After retiring in 1932 to live with his brother in Oxford, he was one of the founding members of the "Inklings", an informal Oxford literary society. He wrote on French history, and served as his brother's secretary for the later years of C. S. Lewis's life.

Sidney Alderman Blackmer was an American actor who appeared in dozens of movies between 1914 and 1971, usually in major supporting roles. He was also a major Broadway performer.