Eugene Gladstone O'Neill (October 16, 1888 – November 27, 1953) was an American playwright. His poetically titled plays were among the first to introduce into the U.S. the drama techniques of realism, earlier associated with Chekhov, Ibsen, and Strindberg. The tragedy Long Day's Journey into Night is often included on lists of the finest U.S. plays in the 20th century,... Wikipedia