Maurice Grosse

Maurice Grosse (6 March 1919 – 14 October 2006) was a British paranormal investigator. Famous for his involvement in the Enfield Poltergeist case from 1977 to 1979, he has been portrayed in several films and television series, including ''The Enfield Haunting'' (2015) by Timothy Spall and ''The Conjuring 2'' (2016) by Simon McBurney. Provided by Wikipedia