Leonardo da Vinci was born in 1452 in Italy and showed an early talent for art as evidenced by an omen at his birth. He apprenticed as an artist in 1466 and became a master painter, creating early works like a painting of the Arno Valley. Some of his most famous paintings included the Mona Lisa and he also conceived plans for inventions like a giant crossbow. He was a prolific artist and inventor who made numerous contributions to art and science as shown through his works and quotes on authority, well-spent lives, and the power of water.