Dorothy Jane Roberts ( May 8 , 1929 -- September 5 , 1984 ) was an American author , poet , self-proclaimed psychic and spirit medium , who claimed to channel an energy personality who called himself `` Seth '' .
Jane Roberts ( May 8 , 1929 -- September 5 , 1984 ) was an American author , psychic and trance medium who `` channeled '' a spirit named Seth .