Technology drove maps to greater accuracy: The advent of reliable compasses helped create “portolan” maps, which had lines crisscrossing the sea from port to port, helping guide sailors. Ptolemy’s ...

<br>In 150 AD, the Greek scholar Claudius Ptolemy wrote a textbook entitled the <i>Geography, </i>which earned him the title ‘The Father of Geography’. Drawing on nearly a thousand years of classical ...