Nikola Tesla actually discovered Alternating Current, produced the first electrical motor, invented the radio (he preceded Marconi by several years) and the arc light, broadcast the first television signals and even created an artificial earthquake that virtually rocked Manhattan
Inventor, physicist, mechanical engineer, electrical engineer, and futurist. Nicola Tesla died in 1943 it was at the age of 86 and the cause of death was heart thrombus. He died alone in room 3327 of the New Yorker Hotel. Despite his many revolutionary developments, Tesla had been ultimately ostracized by the scientific community
Tesla's Deathray "will send concentrated beams of particles through the free air, of such tremendous energy that they will bring down a fleet of 10,000 enemy airplanes at a distance of 250 miles from the defending nation's border and will cause armies of millions to drop dead in their tracks"