Jan Guzyk (1875-1928) was a Polish spiritualist medium.
Heinrich Melzer (born 1873) was a German spiritualist medium.
Einer Nielsen (1894-1965) was a Danish spiritualist medium.
Kathleen Goligher (born 1898) was an Irish spiritualist medium.
William Eglinton (1857-1933) was a British spiritualist medium.
I refer to the Kirkaldys, the well-known brother-and-sister spiritualist mediums.
David Duguid (1832-1907) was a Scottish spiritualist medium and Glasgow cabinet-maker by trade.
Over its history, it has organised test cases regarding the legal status of spiritualist mediums, with regard to such matters as exemption from national service.
This optical illusion is used by religious groups and by spiritualist mediums, claiming that their meditation techniques allow them to levitate in the air.
Gordon Higginson (1918-1993) was a British spiritualist medium.