Simplify the following text for a Grade 6 native English-speaking person.
Original: Hans Kleppen ( 16 March 1907 -- 12 April 2009 ) was a Norwegian ski jumper who competed in the late 1920s .
Simplified: Hans Kleppen ( March 16 , 1907 -- April 12 , 2009 ) was a Norwegian who was a ski jumper in the 1920s .