Biography: Horst von der Goltz (born Franz Wachendorf in 1884 in Koblenz) was a German counterintelligence agent during World War I. In 1918, his autobiography, My Adventures as a German Secret Service Agent, was published. von der Goltz appeared as himself in a U.S. propaganda film written and directed by Raoul Walsh, The Prussian Cur, for Fox Film Corporation.