(4.) Gerardus Mercator
1569 Terrestrial map showing the Mare di Mesendin, http://www.wilhelmkruecken.de/ADUSUM/25.htm (Accessed August 11, 2010).
The answer was supplied by a Flemish geographer, Gerhard Kremer (1512-1594), better known by his Latinized name, Gerardus Mercator
. In 1568, Mercator perfected his cylindrical projection.
One such map was prepared by Sebastian Cabot in 1544 and another by Gerardus Mercator
For what achievement is the Flemish craftsman Gerardus Mercator
Today's globes would not be the same without the Flemish geographer Gerardus Mercator
(1512-1594), also a cartographer, mathematician, astronomerand engraver.
But it was regarded as part of Leo and had no astronomical autonomy until 18 centuries later, when Gerardus Mercator
installed it on his celestial globe in 1551.
At about the same time, Ptolemy's work was rediscovered and some mapmakers chose to embrace his techniques, with north returning to the top After Gerardus Mercator
published his famous projection in 1569, north was established as the mapmakers' popular choice.