In this work, Eratosthenes revolutionized the study of the Earth by:
by Duane W. Roller (2010).
The title typically refers to the Geographika , the foundational work by the Greek polymath Eratosthenes of Cyrene (c. 285–205 BC), who is often called the "Father of Geography" . Eratosthenes' Geography
While the original three-volume treatise is lost, its contents are known through more than 150 fragments preserved by later scholars like Strabo and Pliny. Core Contributions In this work, Eratosthenes revolutionized the study of
: He introduced a system of parallels and meridians (latitude and longitude) to map the inhabited world ( oikoumene ). In this work