Tim Wallace-Murphy is an author and lecturer with an international reputation. He is the driving force behind the creation of the European Templar Heritage Research Network and author of Rosslyn and The Mark of the Beast.
Marilyn Hopkins was born in Totnes, England. Gifted with a natural dowsing ability, she has a deep interest in complementary medicine. She spent ten years studying various forms of Christianity and esoteric spirituality. She has contributed to seminars, talks and lectures including an ecological seminar at Rosslyn organized by the Scottish Ecological Design Association.