David Mamet's plays include Oleanna; Glengarry Glen Ross, which won the Pulitzer Prize and the New York Drama Critics Circle Award in 1984; American Buffalo; and The Cryptogram, a 1995 Obie Award winner. His films include The Postman Always Rings Twice, The Verdict, The Untouchables, and The Edge. He is also the author of three children's books, four volumes of essays, a collection of poems, and a novel.