Leonardo d Vinchi
(15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who was active as a painter, draughtsman, engineer, scientist, theorist, sculptor, and architect. master of topographic anatomy, drawing many studies of muscles, tendons and other visible anatomical features. He drew the heart and vascular system, the sex organs and other internal organs, making one of the first scientific drawings of a fetus in utero.-PKK