Simplify the following text for a Grade 13 native English-speaking person.
Original: Alfred Josef Ferdinand Jodl ( 10 May 1890 â `` 16 October 1946 ) was a German military commander , attaining the position of Chief of the Operations Staff of the Armed Forces High Command ( Oberkommando der Wehrmacht , or OKW ) during World War II , acting as deputy to Wilhelm Keitel .
Simplified: Alfred Jodl ( 10 May 1890 in WÃ 1\/4 rzburg â `` 16 October 1946 in Nuremberg ) was a German military commander , was the Chief of the Operations Staff of the Armed Forces High Command ( Oberkommando der Wehrmacht , or OKW ) during World War II .