Stock Photo: Euclid (first half 3rd century BC). Greek mathematician, founder of the School of Alexandria. "Elementum". Page of the "Book of Geometry", in an edition of 1557, published in Paris.

Stock Photo: 4409-37854 Euclid (first half 3rd century BC). Greek mathematician, founder of the School of Alexandria. "Elementum". Page of the "Book of Geometry", in an edition of 1557, published in Paris.