Leonardo Da Vinci sketch
Whilst in Milan, Leonardo became very interested in Mathematics, also. He illustrated one of the first modern math books, done by a friend of his, Luca Pacioli.
"Grotesque Head" by Leonardo da Vinci,second half of XV c.
The Queens Gallery, Buckingham Palace expo Leonardo DaVinci
leonardo da vinci
Leonardo da Vinci
Lily - Leonardo da Vinci
Profile of a warrior in helmet - Leonardo da Vinci