One of the world's most recognized figures is the Vitruvian Man by Leonardo da Vinci. The accompanying notes to this particular drawing, written in mirror writing, was made as a study of the proportions of the human body was based on the works of the ancient Roman architect Marcus Vitruvius.
Leonardo da Vinci's artistic works are many, the most well known are the "Last Supper" and the "Portrait of Lisa Gherardini, wife of Francesco del Giocondo". The latter, drawn in sfumato, is also known as La Gioconda (Mona Lisa).
In collaboration with Luca Pacioli, a contemporary mathematician, da Vinci drew the illustrations of the regular solids in De divina proportione. The subject of this manuscript was mathematical and artistic proportion, especially the mathematics of the golden ratio and its application in architecture.