Question: What careers doMichael Ritchie and Derek Estlin Purvis have in common? 
Sentence (from "Michael Ritchie (film director)"): Michael Brunswick Ritchie (November 28, 1938 – April 16, 2001) was an American film director of films with comical or satirical leanings, such as "The Candidate" and "Smile".
Relevant evidence: Yes