About the Author
Martin Gray is an anthropologist and photographer specializing in the study of sacred sites, holy places and pilgrimage traditions. During a twenty-five year period he traveled extensively in more than one hundred and twenty-five countries to study and photograph many hundreds of sacred places of prehistoric, historic and contemporary cultures. Martin is an expert in the subjects of ancient religion, sacred geography, archaeoastronomy and ecopsychology. In 1997, Martin placed the web site Places of Peace and Power at SacredSites.com on the Internet and since that time more than thirty-five million people have visited the site. In 2004 National Geographic published The Geography of Religion of which Martin was the principal photographer. In 2007, Sterling, an imprint of Barnes & Noble, published Sacred Earth, a large format book of his color photographs of sacred sites in 80 countries. In 2009, Sacred Earth was published in Japan and Russia. Martin’s photographs and writings have been featured internationally in documentaries, newspapers, magazines, books and web sites, and he has presented slide shows at museums, conferences and universities for more than 125,000 people.