Irish spiritualist, Geraldine Cummins, practiced in the realm of mediating communication between the spirts of the dead and what?
Geraldine Cummins: Geraldine Dorothy Cummins (1890–1969) was an Irish spiritualist medium, novelist and playwright. Mediumship: Mediumship is the practice of certain people—known as mediums—to purportedly mediate communication between spirits of the dead and living human beings.
living human beings