Question: Which playwright was born first, Eugene O'Neill or Bernard-Marie Koltès?
Context: Eugene Gladstone O'Neill Jr. (May 5, 1910 – September 25, 1950) was an American professor of Greek literature and son of Nobel Prize-winning playwright Eugene O'Neill. Phase 3 Productions is a Pittsburgh-based theatre company.  Established in 2008, the theatre's mission is to include "relevant social awareness in everything produced."  The company has produced theatrical classics like August Strindberg's "Miss Julie", as well as contemporary plays like Aaron Carter's "Swamp Baby", Bernard-Marie Koltès's "Roberto Zucco", and musicals like "Godspell".  Phase 3 has also held productions in a variety of spaces, such as the Brew House on the South Side and South Park Theatre in South Park Township.  The company has also produced original one-act plays in conjunction with the Pittsburgh New Works Festival. David Bradby (27 February 1942 – 17 January 2011) was a British drama and theatre academic with particular research interests in French theatre, Modernist / Postmodernist theatre, the role of the director and the Theatre of the Absurd.  He wrote extensively on the theatre of Samuel Beckett, Roger Planchon, Jacques Lecoq, Arthur Adamov among many others.  He also translated several works, principally by Michel Vinaver, Jacques Lecoq and Bernard-Marie Koltès. Eugene Gladstone O'Neill (October 16, 1888 – November 27, 1953) was an American playwright and Nobel laureate in Literature.  His poetically titled plays were among the first to introduce into American drama techniques of realism earlier associated with Russian playwright Anton Chekhov, Norwegian playwright Henrik Ibsen, and Swedish playwright August Strindberg.  The drama "Long Day's Journey into Night" is often numbered on the short list of the finest American plays in the 20th century, alongside Tennessee Williams's "A Streetcar Named Desire" and Arthur Miller's "Death of a Salesman". Monte Cristo Cottage, also known as Eugene O'Neill Summer House, was the summer home of acclaimed Irish-American actor James O'Neill, and of his family, notably his son (with his wife Ella O'Neill), the acclaimed Nobel prize-winning American playwright, Eugene O'Neill.  A National Historic Landmark, it is located at 325 Pequot Avenue in New London, Connecticut. Tabataba suivi de pawana is the title of two short stories "Tabataba" followed by "Pawana"("")in one book written in French by French Nobel laureate J. M. G. Le Clézio . "Tabataba" was written by Bernard-Marie Koltès and Hector Poullet. Bernard-Marie Koltès (] ; 9 April 1948 – 15 April 1989) was a French playwright and theatre director best known for his plays "La Nuit juste avant les Forêts" ("The Night Just Before the Forests", 1976), "Sallinger" (1977) and "Dans la Solitude des Champs de Coton" ("In the Solitude of Cotton Fields", 1986). Eugene Anthony Chaplin (born August 23, 1953) is a Swiss recording engineer and documentary filmmaker.  He is the fifth child of Oona O'Neill and Charlie Chaplin, the grandson of playwright Eugene O'Neill, and the father of Kiera Chaplin. The Eugene O'Neill Award (also known as "The Eugene O'Neill Scholarship Award" or "The Eugene O'Neill Acting Award"), is one of Sweden's finest awards for stage actors.  Established by the American playwright Eugene O'Neill, it was first awarded in 1956. Mary Ellen Quinlan; known as Ella O'Neill (born August 13, 1857 – February 28, 1922) was the mother of playwright Eugene O'Neill and wife of actor James O'Neill.  She was the inspiration for many of Eugene O'Neill's stories.
Answer: Eugene Gladstone O'Neill