 Complete the following phrase:  Herbert Crüger 17 May 1911  17 January 2003 was a German political activist and politician KPD who, as a young man during the Nazi years, became caught up in espionage activity. During the postwar decade, as the division of Germany seemed to have become permanent, millions of people fled from East Germany to West Germany. More unusually, Herbert Crüger was one of those who, having ended up in the west, crossed 