Gerard Mercator: The man who revolutionised mapmaking

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It’s the map of the world we all recognise today, but until Gerard Mercator came up with his elegant solution in 1569, the question of how to turn the earth’s three dimensional sphere into a flat image had long flummoxed mapmakers. Nearly 500 years later, Mercator’s model is still the standard for modern mapmaking. What makes it so enduring? Joining Rajan Datar to discuss the man who defined the way we see the world are geographer and explorer Nicholas Crane, philosopher Emily Thomas and professor of cartography Philippe De Maeyer. Illustration: Portrait of Gerard Mercator, Flemish cartographer (born Gerard de Kremer, 1512 - 1594). Image credit: Stock Montage/Getty Images