Name of the scientist who invented steam engine?

or:Name of the scientist who invented steam engine?or:The first true steam engine was invented by Thomas Newcomen, and was used in 1712 for pumping a

or:Name of the scientist who invented steam engine?

or:The first true steam engine was invented by Thomas Newcomen, and was used in 1712 for pumping a mine. However using steam to create mechanical motion goes back at least by 2,000 years.

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