From the Rosicrucian Archives: The Invisible Masters Part 1–Arthur C. Piepenbrink, F.R.C. (1975) The Supreme Secretary of the Rosicrucian Order, AMORC, Arthur C. Piepenbrink, discusses the reality of the Invisible Masters who assist us and guide the Order, and humanity. This is one of an occasional series of podcasts from the Archives of the Rosicrucian Order, AMORC and is presented just as it was recorded in 1975. (Original Title: 060-A The Invisible Masters – 1)