Simplify the following text for a Grade 8 native English-speaking person.
Original: Miguel de Cervantes Saavedra ( ; 29 September 1547 - 23 April 1616 ) was a Spanish novelist , poet , and playwright .
Simplified: Miguel de Cervantes Saavedra ( September 29 , 1547 â `` April 23 , 1616 ) was a Spanish writer .