An entertaining and well-researched introduction to the great inventors of the world, this book contains facts, both serious and comic. Spanning a period of thousands of years — from the unknown inventor of the wheel to the research teams at work today on space and computer technology — author Gillian Clements presents a splendid celebration of the ingenuity of people throughout history. Young readers learn about the motivations, struggles, and achievements of such inventors as Leonardo da Vinci, Isaac Newton, Benjamin Franklin, Alfred Nobel, Thomas Edison, Alexander Graham Bell, Orville Wright, Albert Einstein, and many more.