Christopher Knight is one of the world's leading researchers into freemasonry, sacred geometry and ancient astronomy. He is the co-author of many titles including, The Hiram Key, The Hiram Key Revisited, Solomon's Power Brokers, Who Built The Moon?, Civilisation One and many more. He runs a marketing company in Yorkshire, and travels the world giving lectures. He is a frequent on-air contributor to documentaries that appear on cable TV in America, Canada, the UK and Europe. The author lives in UK.