Natalie FranklinPaul Bahn studied archaeology at Cambridge and wrote his doctoral thesis on the prehistory of the French Pyrenees. He then held postdoctoral fellowships at Liverpool and London, plus a Getty postdoctoral fellowship in the History of Art and the Humanties. Since the mid-80s, he has devoted himself to writing and editing books on archaeology and lecturing on numerous archaeological tours. His main speciality is prehistoric art, especially rock art of the world, most notably Palaeolithic art, as well as Easter Island. Natalie Franklin is an internationally renowned rock art specialist. She has published widely in academic journals, co-edited the previous three volumes of Rock Art News of the World and contributed chapters to the entire series. She has extensive experience in recording rock art and developing management plans for rock art sites. Natalie currently works as a cultural heritage consultant in Brisbane, Australia. Matthias Strecker is an educator and rock art expert. Both in Bolivia and internationally, Strecker has contributed significantly to the knowledge, appreciation and conservation of rock art. He has carried out fieldwork in Mexico, Bolivia and Peru and has published numerous studies of rock art in Latin America. Since 1987 he has been Secretary of the Sociedad de Investigacion del Arte Rupestre de Bolivia (SIARB) and editor of its publications. Read More Read Less