James Watt was a revolutionary inventor of the 18th century, whose improvements to the steam engine fueled the Industrial Revolution.
Carl Bosch was a German industrialist, engineer, and inventor, who revolutionized the automotive and chemical industries with his pioneering work in fuel injection and catalytic converters.
Otis Boykin was an African-American inventor and engineer, known for his contributions to the development of modern electronic devices, including the resistor and integrated circuit.
Lu Ban was an ancient Chinese engineer and inventor who revolutionized construction techniques and tools, paving the way for modern engineering.