"Gerhard Holzer studied History and Geography at the University of Vienna. He is currently the curator of the Woldan collection of Geographica and Cartographica at the Austrian Academy of Sciences. Valerie Newby is Vice-Chairman of the International Map Collectors' Society and Consulting Editor of their journal. She was one of three editors who assumed the task of updating Tooley's Dictionary of Mapmakers in four volumes. Petra Svatek studied History and Geography at the University of Vienna. She has worked as a Scientific Assistant at the Department of History of Vienna University since 2010. Her areas of research interest include the history of thematic cartography and the history of spatial research. Georg Zotti is currently working at the Ludwig Boltzmann Institute for Archaeological Prospection and Virtual Archaeology in Vienna.
His main research interest is the application of computer graphics and virtual reality technologies in the fields of cultural astronomy, historical aspects of astronomy and pre-telescopic astronomical instruments. ".