 He also was an important admirer and friend of Samuel Beckett whose plays he directed in New York City and Europe.He also counted plays from Canadian author John McLiam, Richard Nash ("Girls of Summer"), Sean O'Casey ("Shadow of a GunMan"), Calder Willingham ("End as a Man"), Garbor Harvey ("Rommel's Garden"), Gastón Salvatore ("Stalin"), Eugene O'Neil ("Anna Christie"), Ionesco ("The Lesson"), Athold Fugard ("Master Harold") Franz Kafka ("An Address to the Academy"), Richard Nash and Eckehard Schall of the Brecht theater, and others.Brooks Atkinson, a critic of "The New York Times" called his direction of "Shadow of a Gunman" by O'Casey "a prologue to greatness".