287?-212 ; Gr. mathematician & inventor, born in Syracuse (Sicily)
Greek mathematician, engineer, and physicist. Among the most important intellectual figures of antiquity, he discovered formulas for the area and volume of various geometric figures, applied geometry to hydrostatics and mechanics, devised numerous ingenious mechanisms, such as the Archimedean screw, and discovered the principle of buoyancy.
Ancient Greek Ἀρχιμήδης (Arkhimēdēs).