Health and Light - Ott, John N

The story of John Ott's discovery of the role light plays in sustaining physical health is one of the true scientific breakthroughs of the last quarter century. It is the story of an observant, intelligent man who acted upon his observations and then supported them with scientific experimentation. The importance of light has long been known ...

Health and Light 2002, Ariel Press

ISBN-13: 9780898040982

Trade paperback

Health and Light 1983, Pocket Books

ISBN-13: 9780671474331

Mass-market paperback