Charles Thomas Marvin (1854–1890), writer on Russia.
Charles Tilly was an American sociologist, political scientist, and historian who wrote on the relationship between politics and society. He was a professor of history, sociology, and social science at the University of Michigan from 1969 to 1984 before becoming the Joseph L. Buttenwieser Professor of Social Science at Columbia University.
Charles Timothy Brooks was a noted American translator of German works, a poet, a transcendentalist and a Unitarian pastor.
Alfred Charles Tomlinson, CBE was an English poet, translator, academic, and illustrator. He was born in Penkhull, and grew up in Basford, Stoke-on-Trent, Staffordshire.
Charles Townsend Copeland was a professor, poet, and writer.
Charles Townshend was a British politician who held various titles in the Parliament of Great Britain. His establishment of the controversial Townshend Acts is considered one of the key causes of the American Revolution.
Charles Tylor was an English Quaker author. He was the founding editor of Quaker weekly publication, The Friend. He was a Recorded Minister of the Religious Society of Friends.
Charles Upson Clark (1875–1960) was a professor of history at Columbia University. He discovered the Barberini Codex, the earliest Aztec writings on herbal medicines extant.
Charles Valentine Riley was a British-born American entomologist and artist. He was one of the first individuals to use biological pest control and authored over 2,400 publications. He convinced Congress to create the United States Entomological Commission and was among the founders of the American Association of Economic Entomologists.
General Charles Vallancey FRS was a British military surveyor sent to Ireland. He remained there and became an authority on Irish antiquities. Some of his theories would be rejected today, but his drawings, for example, were painstakingly accurate compared to existent artefacts. Other drawings, such as his diagram of the banquet hall at Tara, and the lost crown of the High King of Ireland, are unverifiable, as the manuscripts and material he used no longer exist.