In recent years, TESLA-mania has reached Russia - the name Nikola Tesla is more popular today than ever, all books about the great inventor become bestsellers, and television films about him have record ratings. Tesla is called a “genius” and “master of the Universe”, legends are told about his inventions, he is credited with complete power over nature, space and time... In response, a wave of “revelatory” publications arises, proving that Tesla’s fame is exorbitantly inflated by his greed for “yellow” sensations press and is based not on real achievements, but on self-promotion that Tesla is not a serious scientist, but a “PR genius”, that the lion’s share of his inventions are just clever tricks, and his sensational discoveries are mostly a hoax. Is there anything in these accusations? at least some truth? Is the fame of the famous inventor deserved? And how to separate the truth about him from the myths? This book is the first serious attempt to understand the phenomenon of Nikola Tesla objectively and impartially. This study puts an end to the long-running debate over whether Tesla was a great scientist and discoverer or a brilliant hoaxer and charlatan.