This is the Popular Reference edition of the fully-illustrated eBook, ISBN: 9781848584167.In this book, you'll learn why Florence Nightingale introduced pie charts, how Lewis Carroll regarded Pythagoras, and why some infinities are larger than others. You'll also meet the mathematician who knew eight languages by the time he was 11, the one who was sent to jail for gambling and the one who published a lot yet never existed. Organised chronologically, with lots of maths packed into every page, this book will appeal to the general reader as well as seasoned mathematicians. Contains an eight-page section of photographs.