What means the "Golden Section" and Fibonacci numbers?       Concept of Harmony Geometrical definition of the Golden Section Algebraic properties of the Golden Section Golden Proportion equation "Golden" geometric progression Problem of rabbits reproduction Variations on the theme of Fibonacci Binet's formulas "Golden" rectangle Decagon "Pentagon" and "pentagram" "Golden" spirals Platonic Solids

Golden Section in the history of the Ancient Art       Phenomenon of the Ancient Egypt Mysteries of the Egyptian pyramids Mystery of the Egyptian calendar Physagor's striking Golden Section in Greek’s Art Magnificent Parthenon Icosahedral-Dodecahedral structure of the Universe

Fibonacci numbers and Golden Section in the epoch of Middle Ages and Renaissance       Leonard Pisano Fibonacci The idea of harmony in the Renaissance epoch "Divine Proportione" by Luca Pachioli Johannes Kepler: from "Misteries" to "Harmony"

Problem of Harmony and Symmetry in the science of the 19th century       What is Symmetry? Return to the Golden Section: old problems in a new development The overall law of proportionality by Zeising Lucas and Binet’s mathematical researches Regular icosahedron as the main geometrical object of mathematics