Show HONORED AS GREAT TEACHER works of euclid ancient mathematician the foundation of the science of geometry euclid was tin an ancient clan who Is said by some to have flourished in the lib third centry before the christian era it Is generally held that lie ile was a greek but the date and place of his birth are unknown it Is generally held beld that much of his work was done tit at alexandria egypt which in those ancient times was a famous seat of learning and the center of extensive commerce the most famous work of euclid that has come down to us Is the elements ot of geometry in 13 books the first six are the most valuable they contain the foundation of geometry on which Is based several bran Ii ranches clies ot of higher mathematics these books are still used in schools school and colleges the next nest three books deal with the pap properties of numbers but they are superseded by modern arithmetic euclid also left other works such as treatises on harmony and optics |