Cartographers Some important early and famous cartographers: Martin Behaim, (1436-1507) Joan Blaeu Guillaume Delisle, (1675-1726), cartographer Frederick DeWitt Johann Friedrich Endersch (Germany, fl. 1755) Martin Heilwig (Germany, 1516 - 1574) Zacharias Heym Johann Homann, (Germany, 1664 - 1724), geographer Henricus Hondius Jodocus Hondius, (1563-1612) Hipparchus, (Greece, 190 B.C - 120 B.C), astronomer, cartographer, geographer Eduard Imhof (1895 - 1986) Isidore of Seville (Spain, 560 - 636) Jan Janssonius (Norway ?, 1588 - 1664) Thomas Jefferys Geographer of King George III of the United Kingdom Peter Kozler, (Slovenia, 1824 - 1879), lawyer, geographer, politician, manufacturer. Gerardus Mercator (Belgium, Netherlands, 1512 - 1594) A. Matthäus Merian (Switzerland, 1593 - 1650) Matthäus Merian (Switzerland, 1621 - 1687) Sebastian Muenster (Germany, 1488 - 1552) Abraham Ortelius, (Belgium, 1527 - 1598), Belgian cartographer Ptolemy, (Ptolemaic Egypt, Greece, circa 85 - circa 165), astronomer, cartographer, geographer Hartmann Schedel (Germany) John Speed (England, 1542 - 1629) Martin Waldseemüller (Germany, circa 1470 - circa 1521/1522) Cartography Organisations Ordnance Survey (United Kingdom)