Have Dean Koontz and Bernhard Schlink both written at least one novel?
Bernhard Schlink Bernhard Schlink (born 6 July 1944 in Bielefeld) is a German lawyer and writer. His novel "The Reader", first published in 1995, became an international bestseller.
Schtonk! Schtonk! subtitled "Der Film zum Buch vom Führer" ("The film accompanying the "Führer's" book") is a 1992 German satirical film which retells the story of the 1983 "Hitler Diaries" hoax. It was written and directed by Helmut Dietl.