.

Anthony F. Aveni is the Russell B. Colgate Professor of Astronomy and Anthropology, serving appointments in both Departments of Physics and Astronomy and Sociology and Anthropology at Colgate University, where he has taught since 1963. Prof Aveni helped develop the field of archaeoastronomy and now is considered one of the founders of Mesoamerican archaeoastronomy, in particular for his research in the astronomical history of the Maya Indians of ancient Mexico. He is a lecturer, speaker, and editor/author of over two dozen books on ancient astronomy.

Juan Antonio Belmonte is an astronomer at the Instituto de Astrofísica de Canarias (Tenerife, Spain) where he has lectured history of astronomy and archaeoastronomy and investigates in exoplanets, stellar physics and cultural astronomy. He has published or edited a dozen books and authored nearly 200 publications on those subjects. He has been the Director of the Science and Cosmos Museum of Tenerife from 1995 to 2000, President of the European Society for Astronomy in Culture (SEAC) from 2005 to 2011 and of the Spanish Time Allocation Committee (CAT) of the Canarian observatories, included the new generation 10 m GTC, from 2003 to 2012. He has received in 2012 the "Carlos Jaschek" award of the European Society for Astronomy in Culture for his contributions to the discipline. He is now advisory editor of the Journal for the History of Astronomy and co-editor of Archaeoastronomy: the Journal for Astronomy in Culture. In the last years he has been performing extensive research on the astronomical traditions of ancient civilizations, concentrating in the ancient Mediterranean cultures, notably in Egypt. Born in Murcia (Spain) in 1962, he studied physics and got his master-thesis in 1986 at Barcelona University and obtained his PhD on Astrophysics at La Laguna University in 1989.

Timothy Darvill is Professor of Archaeology in Bournemouth University. He researches and lectures on prehistoric Europe and the role of archaeology in contemporary society. He is well known as the world’s leading expert on Stonehenge and excavated at the site in 2008. After completing a PhD at Southampton University on the Neolithic of Wales and the west of England, he worked for the Western Archaeological Trust and the Council for British Archaeology before establishing a private practice offering consultancy services in the field of archaeological resource management. The author of over a dozen books, including Ancient Monuments in the Countryside (English Heritage. 1987), Prehistoric Britain from the air (Cambridge University Press. 1996), The Concise Oxford Dictionary of Archaeology (Oxford University Press. 2002), Stonehenge World Heritage Site: An archaeological research framework (English Heritage. 2005), and Prehistoric Britain (Routledge. 2010), he has served as Chairman of the Institute of Field Archaeologists and was a Member of the Council of the National Trust. He has excavated at archaeological sites in England, Wales, Russia, Greece, Germany, and the Isle of Man. Professor Darvill is a Vice-President of the Royal Archaeological Institute and chairman of Cotswold Archaeology. His book Stonehenge: the biography of a landscape (Tempus. 2006) presents a number of new theories explaining the origin and use of Stonehenge. He was appointed OBE in 2010 for services to archaeology.​