Career
She is regarded by the British Spiritualist Movement as one of its finest exponents of mediumship in the 20th Century but skeptics have not been convinced by her alleged powers. She claimed both physical and mental mediumship, and the teachings of her guide, a native American Indian, known as Red Cloud, have been published. She toured the United Kingdom giving mediumship demonstrations for money.
On 13 July 1930 Eight thousand people attended the Albert Hall for Arthur Conan Doyle"s memorial service.
Roberts claimed to witness Doyle"s spirit in a chairman Roberts wrote the book Forty Years a Medium (1960).
The book was described in a review as non-scientific and was questioned how anyone apart from the author could take it seriously. The spirit guide of Roberts known as Red Cloud made false predictions.
He predicted that World World War II was not going to break out and that there was going to be peace.
Roberts refused for her mediumship to be tested or observed by any scientist or psychical researcher The Society for Psychical Research offered to test her abilities but she declined to be tested. Roberts claimed to materialize an Indian spirit guide called "Red Cloud".
Researcher Melvin Harris who examined some photographs of Red Cloud wrote the face was the same as Roberts and she had dressed up in a feathered war-bonnet.