Small Secrets of Leonardo da Vinci

In late 2015 I discovered Polaris, a secret compositional diagram which was used by Leonardo da Vinci. With the help of Polaris I revealed many secrets in Leonardo’s paintings. Some of the most interesting secrets related to Mona Lisa are presented here.

Mona Lisa

Leonardo’s secret in the hands of Mona Lisa
The Mona Lisa by Leonardo da Vinci is undoubtedly the most famous painting in the world. It is exhibited in the Louvre in Paris. In spite of the existing numerous known facts about the painting, there is a sense that something is still missing. What is the meaning of the picture? What is the meaning of Mona Lisa’s smile? What mystery is hidden in her eyes? Who is the person in the painting? When was it painted? Who was the painting made for? These are just some of the many questions to which scholars have not provided an unequivocal answer, regardless of the thousands of pages written on the subject.… More



Leonardo da Vinci’s secret compositional diagram
The Polaris Diagram is a geometric scheme. I believe Leonardo da Vinci used it in the composition of all his paintings. It is based on a square and on the golden ratio. An important part of the scheme is a pentagram, a five-pointed star. The rules of paintings composition are always jealously concealed by the painters. Leonardo da Vinci did the same. These compositional principles are usually revealed through an analysis of the paintings. However, the Polaris Diagram and the principles of composition with the Diagram are substantially different from the common methods of composition. That is precisely the reason why these analyses did not yield expected results.… More


About Me

How I discovered the Polaris Diagram and other important elements in Leonardo’s paintings
My name is Boško Kontić. I was born in 1956 in Knin, Croatia. I graduated from the Faculty of Electrical Engineering of the University in Zagreb in 1980. In the course of the last three decades I have been engaged in painting. Curves are the primary visual shapes on my paintings while their format is usually a square. Analysing some of my paintings I came to the conclusion that I intuitively applied the rules of the golden ratio. Surprised by the power of such a universal rule, I decided to try to analyse, by applying the ratio, the paintings of Leonardo da Vinci, primarily his Mona Lisa.… More


To become sensitized to the ways works of art respond to one’s approach is essential to education in the arts.
Rudolf Arnheim