Original: Jane Roberts ( May 8 , 1929 -- September 5 , 1984 ) was an American author , poet , psychic and spirit medium , who said she had '' channeled '' a personality she called '' Seth '' .
Simplified: Jane Roberts ( May 8 , 1929 â '' September 5 , 1984 ) was an American author , psychic and trance medium who '' channeled '' a spirit named Seth .