Belgium, Leopold II (1865-1909). Medal 1872 commemorating geographers and cartographers Abraham Ortelius and Gerard Mercator, by Edward Geerts, Bronze 65 mm, weight 122,10 g., Condition aUNC, impressive, magnificent medal
Gerardus Mercator (5 March 1512 – 2 December 1594)[d] was a Flemish geographer, cosmographer and cartographer. He is most renowned for creating the 1569 world map based on a new projection which represented sailing courses of constant bearing (rhumb lines) as straight lines—an innovation that is still employed in nautical charts.
Abraham Ortelius (4 or 14 April 1527 – 28 June 1598) was a cartographer, geographer, and cosmographer from Antwerp in the Spanish Netherlands. He is recognized as the creator of the first modern atlas, the Theatrum Orbis Terrarum (Theatre of the World). Along with Gemma Frisius and Gerardus Mercator, Ortelius is generally considered one of the founders of the Netherlandish school of cartography and geography. He was a notable figure of this school in its golden age (approximately 1570s–1670s) and an important geographer of Spain during the age of discovery. The publication of his atlas in 1570 is often considered as the official beginning of the Golden Age of Netherlandish cartography. He was the first person proposing that the continents were joined before drifting to their present positions.
source: wikipedia.org
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Belgium, Leopold II (1865-1909). Medal 1872 commemorating geographers and cartographers Abraham Ortelius and Gerard Mercator, by Edward Geerts, Bronze 65 mm, weight 122,10 g., Condition aUNC, impressive, magnificent medal