The Definitive Guide for Scientology Table of ContentsThe smart Trick of Scientology That Nobody is Talking AboutThe Definitive Guide for ScientologyThe Best Guide To ScientologyExcitement About ScientologyThings about Scientology9 Referred to as the E-meter, the tool was invented by Volney Mathison, one of L. Ron Hubbard's peers, in the 1950s. 10