Simplify the following text for a Grade 9 native English-speaking person.
Original: Bruno Loerzer ( January 22 , 1891 in Berlin - August 23 , 1960 in Hamburg ) was an officer in the German air force during World War I and Luftwaffe during World War II .
Simplified: Bruno Loerzer ( 22 January 1891 - 23 August 1960 ) was an officer in the German LuftstreitkrÃ fte during World War I and Luftwaffe during World War II .