Nikola Tesla was an inventor, electrical and mechanical engineer, physicist, and futurist. He was best known for his contributions to the design of the modern alternating current (AC) electrical supply system. Tesla's achievements and his abilities as a showman demonstrating his seemingly miraculous inventions made him world-famous.
"The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane."