Charles Fletcher Lummis was a United States journalist, and an activist for Indian rights and historic preservation. A traveler in the American Southwest, he settled in Los Angeles, California, where he also became known as an historian, photographer, ethnographer, archaeologist, poet, and librarian. Lummis founded the Southwest Museum of the American Indian.
Charles (Karl) Theodor Christian Friedrich Follen was a German poet and patriot, who later moved to the United States and became the first professor of German at Harvard University, a Unitarian minister, and a radical abolitionist. He was fired by Harvard for his abolitionist statements.
Charles Forbes René de Montalembert was a French publicist, historian and Count of Montalembert, Deux-Sèvres, and a prominent representative of liberal Catholicism.
Charles Hoy Fort was an American writer and researcher who specialized in anomalous phenomena. The terms "Fortean" and "Forteana" are sometimes used to characterize various such phenomena. Fort's books sold well and are still in print. His work continues to inspire admirers, who refer to themselves as "Forteans", and has influenced some aspects of science fiction.
François Marie Charles Fourier was a French philosopher, an influential early socialist thinker and one of the founders of utopian socialism. Some of Fourier's social and moral views, held to be radical in his lifetime, have become mainstream thinking in modern society. For instance, Fourier is credited with having originated the word feminism in 1837.
Charles Francis Adams Jr. was an American author, historian, and railroad and park commissioner who served as the president of the Union Pacific Railroad from 1884 to 1890. He served as a colonel in the Union Army during the American Civil War. After the war, he was a railroad regulator and executive, an author of historical works, and a member of the Massachusetts Park Commission.