Simplify the following text for a Grade 10 native English-speaking person.
Original: Poitier directed several films , the most successful being the Richard Pryor-Gene Wilder comedy Stir Crazy which for years was the highest grossing film directed by a person of African descent .
Simplified: Poitier has directed several films , the most successful being the Richard Pryor-Gene Wilder comedy Stir Crazy .