11 Facts About Maurice Grosse

Maurice Grosse was a British paranormal investigator.

Maurice Grosse married his wife Betty Yasny in 1944 and they had two daughters and a son.

In 1961 Maurice Grosse founded his own design and engineering consultancy business which became responsible for launching many patents throughout the world.

Maurice Grosse claimed to have recorded many hours of audio and video evidence of the poltergeist while staying at the house for long periods of time, along with another psychical investigator, Guy Lyon Playfair, who later wrote the book This House is Haunted.

The parapsychologist David Fontana proposed that poltergeists could haunt tape recorders and speculated that a peculiar threading jam experienced by Maurice Grosse while playing tape recordings made at the home was due to supernatural forces.

Maurice Grosse investigated many other cases, and served as a member of the Society for Psychical Research's Council, as well as being the long-serving chairman of its Spontaneous Cases Committee.

In 1995 Maurice Grosse was at a vigil in Charlton House when it was claimed that a piece of crockery materialised and shattered.

Maurice Grosse put together an extensive collection of alleged examples of psychic photography.

Maurice Grosse continued this work right up until the summer of 2006.

Maurice Grosse appeared posthumously in Channel 4's documentary Interview with a Poltergeist which was transmitted on 6 March 2007.

Maurice Grosse made an appearance on the Channel 4 mockumentary Da Ali G Show in which he was interviewed by Sacha Baron Cohen.