Hubbard , Jr. claimed to have helped his father in the early days of Scientology .
Hubbard , Jr. later rejected his father and Scientology , quitting in 1959 and changing his name to Ronald DeWolf .
Hubbard , Jr. claimed to have helped his father in the early days of Scientology but later rejected his father and Scientology , quitting in 1959 and changing his name to Ronald DeWolf .