Question: Were Alexander Kluge and Gregory La Cava both film directors? 
Sentence (from "Gregory La Cava"): Gregory La Cava (March 10, 1892 – March 1, 1952) was an American film director best known for his films of the 1930s, including "My Man Godfrey" and "Stage Door", which earned him nominations for Academy Award for Best Director.
Relevant evidence: Yes