Who: Cameron Waterman
Innovation: Outboard motor
What does it do?
It's a propulsion system for boats. It's got an engine, a gearbox and a propellor.
What problem does it solve?
Having to row your boat.
Waterman was an engineering student at Yale. He created the outboard motor over two years, between 1903 and 1905, when he got a patent. There are plenty of big-name brands making outboard motors, including Honda, Suzuki and Yamaha.
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