James Watt (1)

James watt is from Scotland he invent steam engine, the key to industrial revolution.
Actually, watt is not the first person that made steam engine, same scheme also made by hero from iskandarya in early cristian's years. In 1682 thomase savery made his paten to his water pump machine and in 1712 english man thomas newcomen also made his same paten that more perfect but still newcomen machine is less eficient and low quality because only can use to waterpump for coal mine.
Watt became intersting in steam engine in 1764 when he fixed newcomen machine, even he only have one year study in tools but he had big talent to create something big, he made more perfect to newcomen machine, because the perfection of watt is more important so deserve to became the first person who made practically steam engine.