He was trained in the workshop of Verrocchio, who according to Vasari, was an able alchemist. Leonardo was a chemist in so much as that he experimented with different media for suspending paint pigment.
He was trained in the workshop of Verrocchio, who, according to Vasari, had proficiency in alchemy. In a similar vein, Leonardo engaged in chemical experimentation as a painter, exploring various methods for suspending pigment.