1. On the Divine Proportion (De divina proportione)
By Luca Pacioli

2. Portrait of Luca Pacioli,
traditionally attributed to Jacopo de Barbari, 1495

3. The ratio most pleasing to the human eye:or
Phi
This isn’t a new idea—
just newly receiving attention

4. This ratio is found in the human body

5. In art

6. In architechture

7. Illustration of a rhombicuboctahedron
By Leonardo da Vinci, published in De divina proportione

8. Golden Rectangle
Turns into

9. A spiral
Which is found in

10. Nature

11. The Last Supper
Leonardo de Vinci

15. References http://jwilson.coe.uga.edu/EMAT6680/Parveen/renaissance.htm