Question: Do both directors of films Grijpstra & De Gier and Interference (Film) share the same nationality?
Sentence (from "Lothar Mendes"): Lothar Mendes( 19 May 1894 – 24 February 1974) was a Jewish German- born screenwriter and film director. who began his career as an actor in Vienna and Berlin in Max Reinhardt's famous troupe.
Relevant evidence: Yes