Professor Stefaan Missinne received his PhD from the Economics University in Vienna in 1990. He is Laureate of the Prince Albert Foundation and Managing Director of the Ginkgo GmbH. As a collector of antique maps, globes, old paintings and art chamber objects, he was a scholar of the Viennese art expert, Count Eugen von Philippovich. He is a member of the International Map Collectors’ Society, the Washington Map Society, the International Coronelli Society for Research on Globes and Scientific Instruments, the Leonardo da Vinci Society, the International Society for the History of the Map and the Austrian Society for the History of Science. His publications include “A Newly Discovered Early Sixteenth-Century Globe Engraved on an Ostrich Egg: The Earliest Surviving Globe Showing the New World 1504”, “America’s Birth Certificate: The Oldest Globular World Map: c. 1507”, and, with Dr Geert Verhoeven, “Unfolding Leonardo da Vinci’s Globe (AD 1504) to Reveal Its Historical Map”. Professor Missinne is an esteemed scholar of the late leading da Vinci authority Carlo Pedretti, who is honoured in the quality and scope of the research in this book.