""The Antiquity of Man and the Geological Ages"" is a scholarly work by Charles J. Ryan that explores the relationship between the geological ages of modern science and the occult time-periods as given in ""The Secret Doctrine"". The book delves into the history of man and his evolution on Earth, tracing the geological ages and the emergence of different species. It explores the theories of Darwin, Lamarck, and other scientists, and compares them...