Opened at the Martin Beck Theatre on December 27, 1965. Ran 145 performances, to about May 1966. The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade, usually shortened to Marat/Sade, is a play written in 1963 by Peter Weiss and fully staged for the first time the following year. The work was first published in German. Wiki link