F. W. Murnau
Carl Mayer (20 November 1894 – 1 July 1944) was an Austrian screenplay writer who wrote or co-wrote the screenplays to "The Cabinet of Dr. Caligari" (1920), "The Haunted Castle" (1921), "Der Letzte Mann" (1924), "Tartuffe" (1926), "Sunrise" (1927), and "4 Devils" (1928), the last five being films directed by F. W. Murnau.