The primary person to exploit the ability of steam was the Greek researcher Heron of Alexandria during the first century A.D. The steam engine was considerably meliorated in the year 1711 by Englishman Thomas Newcomen, who made an appliance, which utilized steam to pump water. The Scottish discoverer James Watt significantly bettered on Newcomen’s model and bagged exclusive rights to construct, utilize, and sell his individual steam engine in the year 1769.