A medical writer by profession, Peter Crespin has written seven books about Jaguars and contributed articles to various car and motorcycle magazines over the last three decades. He’s a year-round motorcyclist and ex-racer when he’s not driving his supercharged Daimler or E-type convertible around the UK and Europe. A committed do-it-yourself fan, Peter has restored dozens of classic bikes and worked on more than fifteen Jaguars. Trained to IAM standard for both cars and motorcycles, he was a contributor and cartoonist for British Bike Mechanics/British Bike Magazine.
Co-founder of AJ6 engineering, Roger Bywater has accumulated 30 years of continuous involvement with the Jaguar V12 engine, having worked as a Senior Development Engineer at Jaguar Cars in the 1970s in the Experimental Department on fuel injection, exhaust emission control and engine development.