152 - .82 ?? BC
Greek Mechanician
Heron, or Hero, was a scientist and inventor in Alexandria.
Note: Heron's lifetime dates are uncertain - some texts assign him to about 10-70 AD.

Heron wrote many books on mathematics, physics, geometry, and mechanics. The 'Pneumatica' describes mechanical devices operated by compressed air, water or steam, such as a fire engine, a water organ, and the aeolipile, which is the first steam-powered engine.

His device consisted of a sphere mounted on a boiler by an axial shaft and having two canted nozzles to produce a rotary motion from the escaping steam.

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From the University of St.Andrews, Scotland - School of Mathematics