a course in Scientology which centered around recorded lectures between May and December 1954 by LRH covering such subjects as the historical and philosophical background of Scientology, the four conditions of existence, the Axioms of Scientology and several specific processes and application of Scientology in everyday life.a course in Scientology which centered around the basic books by L. RonHubbard and the Professional Course Booklets (also known as the 50 Course Booklets). These booklets were compiled from transcripts of lectures given by Ron during the spring and summer of 1952. The tapes of these lectures were supplemented by the booklets and together they formed the materials of the Professional Course. The course was six weeks in length and at the end of each week the students took an examination on what they had covered.