The Tragic Life of Nikola Tesla Is a Reminder that Achievement Isn’t Everything

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In his prime, Nikola Tesla was one of the most influential people in the world.

His main invention — the alternating current (A/C) motor — became the basis for the electric grid that powers the modern world.

His spectacular display of 160,000 lightbulbs (photo below) at the 1893 Columbian Exposition in…