Euclid and Thales were key mathematicians in ancient Greece, with Euclid known as the father of geometry and Thales pioneering practical uses of geometry. Pythagoras contributed the famous Pythagorean theorem in mathematics.
Euclid is regarded as the father of geometry, known for his work 'Elements,' a foundational textbook that set the standard for geometry for centuries. He utilized axioms and theorems to establish principles in geometry. On the other hand, Thales was an early Greek mathematician who used geometry practically, calculating heights of pyramids and distances of ships.
Pythagoras, another significant mathematician, is known for the Pythagorean theorem in geometry, which relates to right-angled triangles and is a fundamental concept in mathematics.
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