Thetan
According to Scientology , the concept for the thetan was first discovered in the early 1950s by the science fiction author L . Ron Hubbard , drawing on reports by Dianetics practitioners , who in session , found clients came up with descriptions of past-life experiences . 
<triplet> Dianetics <subj> Scientology <obj> part of <subj> L. Ron Hubbard <obj> creator