
2. The Unseen Operators
From Assume Nothing by BBC Radio Ulster
May 9, 2026 · 14 min · Season 33 · Episode 2
About this episode
The episode explores the strange experiments of Dr William Jackson Crawford with a teenage medium and the implications of his findings.
The story of Dr William Jackson Crawford, an engineer and teacher, who carried out a series of strange experiments with a teenage medium and her family before his untimely death on the shores of Belfast lough in 1920. Dr Crawford’s findings were extraordinary and widely published – but was it all a hoax? Episode 2 – The Unseen Operators Dr Crawford invites a visitor to attend a séance with Kathleen and her family, known as the Goligher Circle. Sir William Barrett, a highly respected physicist and parapsychologist, is astonished when a wooden table appears to float into the air. Meanwhile, nearly one hundred years later – Reggie Chamberlain King’s plans to give a lecture about Dr Crawford and Kathleen Goligher are disrupted when a protest is announced. Readings by Dave Fleming Lucy McConnell Mark Claney Stephen Beggs Produced by Conor McKay Editor Andy Martin A BBC Northern Ireland production
Topics covered
- parapsychology
- mediumship
- historical experiments
- Belfast history
- seances
- true crime
Keywords
- Dr William Jackson Crawford
- Kathleen Goligher
- Sir William Barrett
- seance
- Belfast lough
- parapsychology
- Goligher Circle
- experiments
- 1920
Mentioned in this episode
Organizations: BBC Northern Ireland
Places: Belfast lough
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