John Craig has a Phd from Stanford in engineering. He is the author of "Introduction to Robotics: Mechanics & Control" which is a leading university textbook for the engineering field of robotics. He has authored several papers related to robotics as well as equine biomechanics, and has chaired conference sessions on biomechanics and the connection between machines and the biomechanics of animals. He has researched the hoof and shoeing systems for the past decade, and was a speaker at the International Hoof Summit in Cincinatti in 2005. He can be reached at john@eponatech.com