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
ca. 1318-1389, mathematician; philosopher; astronomer; physician, Italian Dondi dall'Orologio, Giovanni 1318 - 1389