Da Vinci was self-educated and broadly did a large portion of his artistic creation and drawing with his left hand. The researchers said both inscriptions were done by the artist who “used his left hand to write the inscription in ‘mirror writing’ on the front, while he used his right hand to pen the inscription on the back in ordinary writing. ¹⁾.

As an engineer, Leonardo has been creating projects ahead of his time, developing concepts for the helicopter, the tank, the use of plate tectonics, the double sidewall, and many other innovations. A relatively small number of his ideas were put into practice during his time. ²⁾.

He was born out of wedlock. He was the son of a lawyer Ser Piero and a peasant named Caterina. ³⁾.

Leonardo da Vinci used a mirror to assess the effects of his painting work from a reversed perspective. ⁴⁾.

Even before the birth of Nicolaus Copernicus and the creation of the heliocentric theory, he stated that the Sun does not move. ⁵⁾.

Leonardo da Vinci was a vegetarian. ⁶⁾.