Edgar Lee Masters (August 23, 1868 – March 5, 1950) was an American attorney, poet, biographer, and dramatist. He is the author of Spoon River Anthology, The New Star Chamber and Other Essays, Songs and Satires, The Great Valley, The Serpent in the Wilderness An Obscure Tale, The Spleen, Mark Twain: A Portrait, Lincoln: The Man, and Illinois Poems.