Euclid

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Euclid (also referred to as Euclid of Alexandria) (Greek: Εὐκλείδης) (c. 325–c. 265 BC), a Greek mathematician, who lived in Alexandria, Hellenistic Egypt, almost certainly during the reign of Ptolemy I (323 BC–283 BC), is often considered to be the "father of geometry". His most popular work, Elements, is thought to be one of the most successful textbooks in the history of mathematics.

Results Attributed to Euclid

There are many results still attributed to or named after Euclid in use today. They include:

• Euclid's lemma,
• Euclidean Division Algorithm,
• Euclid's proof on the infinitude of primes

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