His American Place Theater staged important early work by the likes of Sam Shepard, Maria Irene Fornés, Eric Bogosian, and the poet Robert Lowell, but “his greatest hits, it might be said, were the actors who came through his classes, which he began teaching in the 1950s” — among the many were James Caan, Joel Grey, Faye Dunaway, Richard Gere, Dustin Hoffman, and John Leguizamo. Even at age 97, he was still leading classes. – The New York Times