Plaque: Iyase with Sword and Attendant, 1550–1680. Nigeria, Court of Benin. The Metropolitan Museum of Art, New York. The Michael C. Rockefeller Memorial Collection, Gift of Nelson A. Rockefeller, 1972 (1978.412.320) #sword
Prevalent in the major works of Leonardo Da Vinci and underlying many of his design compositions, is the phi relationship (also known as the Golden Ratio or the Golden Mean), a ratio of approximately 1:1.618, found in nature and creation, and inherent in the Fibonacci sequence. 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".
Alexander The Great was known as one of the most important and successful leaders of all time. His reign started in Macedon and stretched all the way to the Himalayas. He was also a very powerful military leader, and never lost a battle.