1136-1206, active from 1181, engineer; inventor; author, Mesopotamian; Iraqi al-Jazari, Ismail ibn al-Razzaz 1136 - 1206
1452-1519, polymath; painter; draughtsman; sculptor; architect; engineer; inventor (etc.), Italian Da Vinci, Leonardo 1452 - 1519
about 1450-about 1512, surgeon, publisher of book on surgery, born Strasbourg, German? Brunschwig, Hieronymus von 1450 - 1512
c. 1500-1585, active from 1529 in Spain, clock maker; engineer, mathematician, of Cremona, Italian? Torriano, Juanelo 1500 - 1585