Charles du Fresne, sieur du Cange, also known simply as Charles Dufresne, was a distinguished French philologist and historian of the Middle Ages and Byzantium.
Charles Dudley Warner was an American essayist, novelist, and friend of Mark Twain, with whom he co-authored the novel The Gilded Age: A Tale of Today.
Charles Duke Yonge was an English historian, classicist and cricketer. He wrote numerous works of modern history, and translated several classical works. His younger brother was George Edward Yonge.
Charles Dunoyer Barthélemy-Charles-Pierre-Joseph Dunoyer de Segonzac, better known as Charles Dunoyer, was a French economist of the French Liberal School.
Charles Alexander Eastman was an American physician, writer, and social reformer. He was the first Native American to be certified in Western medicine and was "one of the most prolific authors and speakers on Sioux ethnohistory and American Indian affairs" in the early 20th century.
