"Hans Howaldt"@en . . . . "Howaldt, Hans"@en . ",and" . . "1907Z"^^ . . . . . "Hans Howaldt (12 November 1888, Kiel \u2013 6 September 1970) was a successful and highly decorated German U-boat commander in the Kaiserliche Marine during World War I and also active in World War II."@en . "1970Z"^^ . "German World War I U-boat commander" . "1907Z"^^ . . "1970-09-06Z"^^ . "MinelayerHansestadt Danzig" . . . . . . . "1888-11-12Z"^^ . "1888Z"^^ .