Madeleine L’Engle (1918–2007) was an American author of more than sixty books, including novels for children and adults, poetry, and religious meditations. Her best-known work, A Wrinkle in Time, one of the most beloved young adult books of the twentieth century and a Newbery Medal winner, has sold more than fourteen million copies since its publication in 1962. Her other novels include A Wind in the Door, A Swiftly Tilting Planet, and A Ring of Endless Light. Born in New York City, L’Engle graduated from Smith College and worked in theater, where she met her husband, actor Hugh Franklin. L’Engle documented her marriage and family life in the four-book autobiographical series, the Crosswicks Journals. She also served as librarian and writer-in-residence at the Cathedral Church of Saint John the Divine in Manhattan for more than thirty years.