‘Nikola Tesla was a scientist, physicist, engineer and inventor, but none of these words sufficiently describe the life and genius of Nikola Tesla.’ He has been named by many as the greatest mind in history.
He faced authorities hiding his work. This included the free energy solutions he created and his work is helping people create different technologies to this day. Saying he was ahead of his time is an understatement.
Here are some videos on his work:
You can read more on Nikola Tesla here.