Who is the father of geometry?

Euclid of Alexandria (c. 300 BCE) is almost universally acclaimed as the "father of geometry."

• Why Euclid? His monumental work, the Elements, systematically compiled and organized the geometric knowledge of his time into a coherent, logical framework. It wasn't just a collection of facts but a deductive system based on definitions, postulates (axioms), and theorems proven from these foundations.
• What's in the Elements? This multi-volume work covers plane geometry, solid geometry, and number theory. It introduces fundamental concepts like points, lines, circles, and polygons, and rigorously proves their properties and relationships.
• Lasting Impact: The Elements was the primary textbook for geometry and mathematical reasoning for over two thousand years, profoundly influencing the development of Western science and mathematics. Its axiomatic method became a model for logical argumentation in many fields.
• Key Takeaway: Euclid is known as the "father of geometry" because his Elements provided the foundational axiomatic system and rigorous proofs that defined the study of geometry for centuries.