This was the first full-length biography written on the genius inventor, Nikola Tesla. The author was a Pulitzer Prize-winner and personal friend of Tesla, who once said the author understood him better than any man alive. It is reflected well in this highly detailed work. Much of the information in this book was personal and important, but might otherwise not have been known had O'Neill not documented it. The immense genius of Tesla resulted from a mind that could see an invention in 3-D, from every angle, within his mind before it was easily built. His dimensions and part sizes were...