Kurt Schwitters’ unknown portrait sitter identified as wartime German spy

Historian finds that one of the subjects the artist painted while he was detained by the British alongside other refugees who had fled the Nazis was Ludwig Warschauer, who later confessed to espionageThe previously unknown subject of a Kurt Schwitters painting has been identified as Ludwig Warschauer, the subject of one of MI5’s very first anti-spy operations, who was sent to Britain to spy for the Gestapo.Simon Parkin made the discovery while researching his book The Island of Extraordina