Who invented the steam engine that powered the Industrial Revolution?

James Watt is credited with significantly improving the steam engine, making it a key driving force behind the Industrial Revolution. While earlier versions of the steam engine existed, particularly those developed by Thomas Newcomen and others, it was Watt's modifications in the late 18th century that enhanced efficiency, allowing steam engines to become a practical power source for a range of industries. His innovations included the separate condenser, which reduced energy waste and enabled steam engines to operate more effectively.

This advancement not only facilitated the transition from manual labor to machine-driven manufacturing but also played a pivotal role in transportation with the development of steam locomotives and ships. Watt's contribution fundamentally transformed industry and society, marking the beginning of the modern industrial era.

The other figures mentioned were influential in their own right but in different areas: George Stephenson is known for his work on railways, Henry Ford revolutionized automobile manufacturing with assembly line techniques, and Thomas Edison made significant contributions to electrical engineering and inventions such as the light bulb. However, it was Watt's improvements to the steam engine that served as a cornerstone for the advancements of the Industrial Revolution.