Leonardo da Vinci, best known as the painter of the fantastic Mona Lisa, was a man of great ideas. One of the greatest artists the world has ever seen, Leonardo was also an architect, a musician, a scientist, a toy-maker and a brilliant inventor who invented a model for a flying machine nearly 400 years ago! In fact, Leonardo could do just about any thing he put his mind to. He was a genius who left a permanent mark on the world of art and science.