Antonio Francesco Gramsci (22 January 1891 – 27 April 1937) was an Italian Marxist philosopher, linguist, journalist, writer, and politician. He wrote on philosophy, political theory, sociology, history, and linguistics. He was a founding member and one-time leader of the Italian Communist Party. A vocal critic of Benito Mussolini and fascism, he was imprisoned in 1926, where he remained until shortly before his death in 1937.