GaiaDetails About Acrylic on Panel 12. 5 x 11. 5 in. 2017 16 x 15. 75 in. (f) John Walker has been working as a professional artist for over thirty years. After graduating from The American Academy of Art he began a career in illustration, creating a wide array of artwork for clients nationwide, including McDonalds, Random House and National Geographic. Acrylics became his media of choice during this time and he has become fluent in their application. His