John Fraser will give a lecture at the SPR's headquarters in London at 7 p.m. on 13th February 2020, entitled "Are Poltergeists Rare? Or are all cases 'Intermediate' with a strange mix of phenomena?":
https://www.spr.ac.uk/civicrm/event/info...6reset%3D1
https://www.spr.ac.uk/civicrm/event/info...6reset%3D1