Lately, I've been very interested in applying Renaissance mathematical proportions to my work. As an exercise, I created these two paintings and will incorporate them into larger and more complex paintings. The composition is based upon the Fibonacci Spiral, which is constructed from the Fibonnaci Series that was formulated by Leonardo of Pisa (a.k.a. Fibonacci) who lived from 1175-1230 AD. This mathematical series is a system of expanding size relationships that are connected with the "Golden Section." It's actually a summation series, where each number in the series is the sum of the two previous ones, and any number divided by the previous one equals 1.618. That ratio is foundational to dividing the composition in order to establish the spiral. If anyone's interested, I can send you the details about how I applied this ratio to my paintings.