ELECTRICITY "Tesla standing; like the archangel; wielding the sword of fire"; on the table in front of him a plethora of tubes and bulbs; the props with which he surprises and fascinates his audience. Experiments by Nikola TESLA (10 July 1856 - 7 January 1943); inventor; physicist and electrical engineer; born in Croatia in the Austro-Hungarian Empire and naturalized in the United States in 1891. Because of his hundreds of technological innovation patents; the scientist is defined by his admirers "the man who invented the twentieth century". Engraving; USA 1893