Mark Van Doren was an American poet, writer and critic. He was a scholar and a professor of English at Columbia University for nearly 40 years, where he inspired a generation of influential writers and thinkers including Thomas Merton, Robert Lax, John Berryman, Whittaker Chambers, and Beat Generation writers such as Allen Ginsberg and Jack Kerouac. He was literary editor of The Nation, in New York City (1924–1928), and its film critic, 1935 to 1938.

Marsden Hartley was an American Modernist painter, poet, and essayist. Hartley developed his painting abilities by observing Cubist artists in Paris and Berlin.

Martha Finley was an American teacher and author of numerous works for children, the best known being the 28-volume Elsie Dinsmore series which was published over a span of 38 years. Her books tend to be sentimental, with a strong emphasis on religious belief. The daughter of Presbyterian minister Dr. James Brown Finley and his wife and cousin Maria Theresa Brown Finley, she was born on April 26, 1828, in Chillicothe, Ohio. She died in 1909 in Elkton, Maryland.

Martin Andersen Nexø was a Danish writer. He was one of the authors in the Modern Breakthrough movement in Danish art and literature. He was a socialist throughout his life and during the Second World War moved to the Soviet Union, and afterwards to Dresden in East Germany.

Martin Farquhar Tupper was an English poet and novelist. He was one of the most widely-read English-language authors of his day with the poetry collection Proverbial Philosophy, which was a bestseller in the United Kingdom and North America for several decades.

Reverend Martin Jerome Scott, S.J., Litt. D. (1865-1954) was an American priest of the Society of Jesus of the Roman Catholic Church and author of a number of books, pamphlets, and articles.

Martin Luther was a German priest, theologian, author, hymnwriter, professor, and Augustinian friar. He was the seminal figure of the Protestant Reformation, and his theological beliefs form the basis of Lutheranism.

Martin Persson Nilsson was a Swedish philologist, mythographer, and a scholar of the Greek, Hellenistic and Roman religious systems. In his studies he combined literary evidence with archaeological evidence, linking historic and prehistoric evidence for the evolution of the Greek mythological cycles.

Marvin Hill Dana was an American author and journalist.

Mary Angela Dickens was an English novelist and journalist of the late Victorian and Edwardian eras, and the oldest grandchild of the novelist Charles Dickens. She died on the 136th anniversary of her grandfather's birth.