Anna Katharine Green (1846–1935) was an American writer and prominent figure in the detective genre. Born in New York City, Green developed an affinity for literature at an early age. She studied at Ripley Female College in Vermont and was mentored by poet, Ralph Waldo Emerson. One of Green’s best-known works is The Leavenworth Case, which was published in 1878. It was a critical and commercial success that made her one of the leading voices in literature. Over the course of her career, Green would go on to write nearly 40 books.