What type of church did this American author found who claimed the ideas of Dianetics originated in the 1920s and 1930s?
History of Dianetics:  Its originator L. Ron Hubbard claimed that his ideas of Dianetics originated in the 1920s and 1930s. L. Ron Hubbard: Lafayette Ronald Hubbard (March 13, 1911 – January 24, 1986), better known as L. Ron Hubbard ( ) and often referred to by his initials, LRH, was an American author and the founder of the Church of Scientology.
Church of Scientology