The painter whose work appears in the Castello Sforzesco in Milan is known as the father of what? 
Sala delle Asse: The Sala delle Asse (In English: 'room of the tower' or 'room of the wooden boards'), is the location for a wall and ceiling painting in tempera on plaster, of decorated "intertwining plants with fruits and monochromes of roots and rocks", by Leonardo da Vinci, dating from about 1498 and located in the Castello Sforzesco in Milan. Leonardo da Vinci: Leonardo di ser Piero da Vinci (] ; 15 April 14522 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian Renaissance polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.
i don't know