An inventor in addition to mathematician, he invented arguably the first steam engine, called an aeolipile.
Working in Alexandria in the first century BC, he rediscovered an iterative method of finding square roots originally known to the Babylonians. An inventor in addition to mathematician, he invented arguably the first steam engine, called an aeolipile. FTP, name this Greek mathematician, who first derived the formula for the area of a  triangle that bears his name.
Working in Alexandria in the first century BC, he rediscovered an iterative method of finding square roots originally known to the Babylonians.
Heron or Hero of Alexandria