All reliable sources agree as to Schreck's actual date of birth and date of death.(Brill, Olaf. 2004, Walk, Ines. 2006) However, at least until 9 March 2009 the Internet Movie Database had incorrect and self-contradictory details. (IMDB bio: "Date of Birth: 6 September 1879," ... "born on June 11, 1879" ... "Date of Death 26 November 1936," ... "death from a heart attack on February 19, 1936")