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The correct answer is Nicolas Joseph Cugnot. In 1769, the very first self-propelled road vehicle was a military tractor invented by French engineer and mechanic, Nicolas Joseph Cugnot (1725-1804).

Imagination. Physics. Technology. In 1973, Martin Cooper invented the mobile phone with all three of these things. At the time, he said: “I want everyone to enjoy freedom and feel safe every day.” ...

He thinks phones will evolve so that they will be “distributed on your body,” perhaps as sensors “measuring your health at all times.” Batteries could even be replaced by human energy.