research site: https://www.historyhit.com/leonardo-da-vincis-most-important-inventions/ 

Leonardo da Vinci, born in 1452 in Vinci, Italy, was a brilliant artist and thinker. At 14, he apprenticed with Andrea del Verrocchio in Florence, learning painting, sculpture, and mechanics. His intense curiosity led him to study anatomy, nature, and machines, filling notebooks with groundbreaking ideas. This mix of training and self-study helped him create masterpieces like The Last Supper and Mona Lisa, making him a true Renaissance genius. The construction was very hard, took a while, and looked pretty bad after. If I had the chance to  do this piece differently I would be more patient and make sure things are more even