John McMaster was the first real Clear, according to Hubbard and also narrarated the "Orientation" video.
- Jon Atack. A Piece Of Blue Sky - Part 3, Chapter 7: The World's First Real Clear
- Ken Urquhart. The Whither Map. Chapter Seven in a Consideration of 'A Piece of Blue Sky' by Jon Atack
- John McMaster -- Excepts from Advance Magazine #1
- LIST OF ALL IMPORTANT STAFF AT St-HILL when it was the ideal Organization (circa 1965)