“He was the most relentlessly curious man in history. Everything he saw made him ask how and why. Why does one find sea-shells in the mountains? How do they build locks in Flanders?…Find out; write it down; if you can see it, draw it.”

- British art historian Kenneth Clark (1903 - 1983), referring to Italian artist, engineer, and inventor Leonardo da Vinci (1452 - 1519)