The number of gold, also known as golden section or golden ratio coexist with humanity because it appears in nature and since Greek times to the present day in art and design. The golden ratio appears in the proportions that keep buildings, sculptures, objects, parts of our body, ... An example of the golden rectangle in art is the elevation of the Greek Parthenon. A harmonious proportions of the body, which studied the Greeks and Romans in an earlier period, reflected in this drawing Leonardo da Vinci. It served to illustrate the book The Divine Proportion Luca Pacioli published in 1509. In this book are described which have to be the proportions of the art constructions. In particular, offers a perfect man in the relations between different parts of your body are golden proportions.