I've been reading this cool book about da Vinci.
About Leonardo da Vinci or simply Leonardo? What did you learn about him?
Leonardo da Vinci, he was a very interesting man. He was an architect, musician, engineer, scientist and inventor.
Thats exactly why he has been variously called the father of palaeontology, ichnology, and architecture. He is an inspiration! 
Yes, he's most known for painting the Mona Lisa.
Mona Lisa
The Mona Lisa (; or La Gioconda , ) is a half-length portrait painting by the Italian Renaissance artist Leonardo da Vinci that has been described as "the best known, the most visited, the most written about, the most sung about, the most parodied work of art in the world." The "Mona Lisa" is also one of the most valuable paintings in the world. It holds the Guinness World Record for the highest known insurance valuation in history at US$100 million in 1962
known by Catholics as Saint Thomas More since 1935, was an English lawyer, social philosopher, author, statesman, and noted Renaissance humanist.
- Christopher Columbus – Christopher Columbus was an explorer, colonizer, and navigator, born in the Republic of Genoa, in what is today northwestern Italy.
- Leonardo da Vinci – Leonardo di ser Piero da Vinci was an Italian Renaissance polymath: painter, sculptor, architect, musician, scientist, mathematician, engineer, inventor, anatomist, geologist, cartographer, botanist, and