About the book: year / Before you, reader, is the second book, first published in Russian, consisting of six lectures and two speeches by Nikola Tesla, read by him in the most prestigious scientific and educational institutions in America, England, France. Amazing natural abilities, an unquenchable desire for knowledge, a keen interest in everything that the world is so rich in, constant self-improvement made Nikola Tesla a unique personality, whose inventive talent and visionary ideas have yet to be truly appreciated by the future generations. Lectures and speeches are read with great interest, as they provide an opportunity to recognize Nikola Tesla as a great scientist, profound philosopher and original linguist.