. . "German Air Force officer" . "1896Z"^^ . . "1896-05-11Z"^^ . "Germany" . "Leutnant Heinrich Henkel (born 11 May 1896, date of death unknown) was a World War I flying ace credited with eight aerial victories.Heinrich Henkel was born in Hamburg, the German Empire on 11 May 1896.On 1 September 1914, Henkel volunteered for military service in Reserve Fusilier Artillery Regiment Nr. 3. He went into battle with them at Nancy, France, at Antwerp, and at Ypres. On 1 July 1915, he was transferred to the infantry. He was wounded in action on 25 September 1916."@en . "Heinrich Henkel"@en . "Henkel, Heinrich"@en .