Patience Worth was a popular writer in the early 20th century. But she was a 17th-century ghost, using Pearl Curran as her conduit from spirit realm to printed page.
Research:

Behind the Scenes Minis: Piece of Work
17:48

E. Virgil Neal: Hypnotist, Fraudster, Tycoon, Part 2
41:22

E. Virgil Neal: Hypnotist, Fraudster, Tycoon - Part 1
35:28