Conversation so far:
Who is Eileen Garrett?
Eileen Jeanette Vancho Lyttle Garrett was an Irish medium and parapsychologist.
Did Harry Price try to prove Eilleen Garrett was a fake?
Harry Price did not come to any definite conclusion about Garrett and the séance.
What kind of claims did Eilleen Garrett make?
Eileen J. Garrett claimed that she made contact with the spirit of Herbert Carmichael Irwin.

Question: What is R101?
Self-contained rewrite: What is R101?