Ptolemy

Type Figure Region Alexandria Time c. 100–170 Also known as 克劳狄乌斯·托勒密、Claudius Ptolemaeus、Ptolemy

Ptolemy was a Hellenistic scholar active in Alexandria in the second century CE, whose Almagest set out geocentric astronomy and whose Geography comp…

Timeline

c. 120–150Alexandria · EgyptHe conducted astronomical observation and mathematical research in Alexandria, writing works such as the Almagest and the Geography, laying the foundations of the geocentric worldview and ancient cartography.
c. 150–170Alexandria · EgyptHe continued to revise his astronomical and geographical works; his theoretical system was transmitted through Arabic scholars and profoundly influenced the medieval Islamic world and the European scientific tradition.

Sources

Ptolemy https://www.britannica.com/biography/Ptolemy-Egyptian-astronomer-and-mathematician