Leonardo da Vinci is and was a well know Renaissance artist and inventor who was well known for his perspective paintings. While he was not the first to discover this phenomenon, he still adopted and expanded on the idea and asked the question, how can I make a flat surface portrait resemble a realistic picture? Filippo Brunelleschi was the one who had a system of sizing objects on the painting, according to what he wanted the viewer to see or focus on. Leon Battista Alberti wrote a book about painting techniques, and how the painter could make the two-dimensional painting, look three-dimensional. da Vinci was inspired by both painters, but specifically wanted to paint a scene as if the viewer was looking at it through a window. Leonardo, being
