of a woman.Study for Saint Barbara.Probably Isabella of Naples or Isabella d'Aragona,Duchess of Milan,Duchess of Bari and Princess of Rossano Lucrezia Borgia,Duchessa di Ferrara, Modena e Reggio.Giovanni Antonio Boltraffio or Leonardo da Vinci Ambrosiana.
"The Golden Rectangle, the Golden Triangle, and the Golden Pyramid, all based on the Golden Ratio are all appear prominent in the work of Leonardo Da Vinci. He referred to the Golden Ratio as the "divine proportion".
Leonardo da Vinci - Study of Horse and Rider, 1481. "I watched as the Lamb opened the first of the seven seals. Then I heard one of the four living creatures say in a voice like thunder, "Come and see!" I looked, and there before me was a white horse! Its rider held a bow, and he was given a crown, and he rode out as a conqueror bent on conquest."— Revelation 6:1-2˄ NIV #LeonardodaVinci