Simplify the following text for a Grade 11 native English-speaking person.
Original: Muhammad Ali Jinnah ( ; December 25 , 1876 â `` September 11 , 1948 ) was a 20th century lawyer , politician , statesman and the founder of Pakistan .
Simplified: Muhammad Ali Jinnah , also spelled Mohammad or Mahomed Ali Jinnah ) ( December 25 , 1876 â `` September 11 , 1948 ) was an Indian Muslim .