Alexander Miles

Meet Alexander Miles, the Black Inventor Who Was Once Minnesota's Wealthiest Businessman
Meet Alexander Miles, the Black Inventor Who Was Once Minnesota's Wealthiest Businessman

Initially, elevators were manual. The doors had to be opened and closed by passengers or elevator operators, a feature that came with a number of associated safety risks. The elevators we use today have automatic doors thanks to Alexander Miles, an African American inventor who received a patent...

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