Kershaw, John F.: - Dr. John F. Kershaw has more than 50 years of experience in automotive technology. He is the author of 15 General Motors technical training publications as well as the published author of 6 automotive textbooks. He has been a Volkswagen enthusiast for many years. In addition, he worked for several Volkswagen dealerships as a technician and has considerable hands-on experience building Super Vee engines.