Solution:Herodotus, Hecataeus, and Thales are Greek geographers, while Ratzel and Hettner are both German geographers. Greek geographers include Homer, Thales, Anaximander, Aristotle, Theophrastus, Eratosthenes, Polybius, Hipparchus, and Posidonius. Herodotus (485- 425 BCE) was a renowned Greek historian and geographer who traveled and described the Mediterranean and Black Sea regions.
Herodotus was the first to describe the continents of Africa and Asia as divided by the Red Sea. Hecataeus is considered the "father of geography." His famous book, "Periods," was published in two volumes in 520 BCE. Thales is considered the first Greek scholar to make meaningful efforts to determine the location of various places on the Earth's surface.