sentences:  In the 1950s and 1960s Havenstein was known all over Germany.Along with Ursula Herking, Dieter Hildebrandt and Oliver Hassencamp, the cabaret artist created a form of sharp-tongued, provocative entertainment of a kind never seen before.In 1956 he was among the founders of the ensemble "Münchner Lach- und Schießgesellschaft", literally "Munich laughter and shooting club" - a mixed-up version of "Wach- und Schließgesellschaft" ("security company").