Leonardo was fascinated with how brains work. So much so, he decided to cut them open to study them. One reason he might have been obsessed with brains was to help him work out his own depression. Why was he depressed? It might have been how little success he was having in Florence. So in 1482, the year he turned 30, da Vinci left Florence for Milan. He lived there for the next 17 years.
The other major painting Leonardo did in this period of his life, around 1480, still in Florence, before he went to Milan, is “Saint Jerome in the Wilderness”. Another unfinished work, it depicts the fourth-century Christian scholar who translated the Bible into Latin (aka the vulgate bible), beating himself on the chest with a rock.
Leonardo’s Adoration of the Magi has been called “the most influential unfinished painting in the history of art” and “the most revolutionary and anti-classical picture of the fifteenth century”. Commissioned as a favour to his father when LDV was 29. As payment, he would only get some firewood and some property near Florence – but he had to pay for a girl’s dowry out of it.
Leonardo da Vinci liked boys. Young boys were his weakness. He liked to draw them, paint them and have sex with them. He even got arrested twice for sodomy, which was punishable by death in Florence. Fortunately for us, one of his co-accused was tight with the Medici.