All existing cities and states, all the treasures of science and art, all the fruits of modern human civilization were once conceived and realized thanks to hard work, extraordinary perseverance and great sacrifice of thousands and thousands of famous and unknown great personalities who lived and worked on throughout the long history of mankind. Some of them founded great religions, others - philosophical and scientific schools, others founded kingdoms and empires, others became the heads of art schools and movements in art, and some made a revolution in military affairs... This book tells about the hundred most famous of them .