Leonardo, The Man Who Saved Science airs on WSKG-TV Wednesday April 5, 2017 at 10pm. Leonardo da Vinci is well known for his inventions as well as his art. But new evidence shows that many of his ideas were realized long before he sketched them out in his notebooks — some even 1,700 years before. Was Leonardo a copycat? Leonardo da Vinci is, of course, best known as one of the world’s greatest artists.