There are not many Swiss people who dared to build their own car after 1950, Dr. Emil Enzmann is one of the few exceptions. The country doctor, a car enthusiast from childhood, used his design talent and medical knowledge to build an efficient, frugal, safe and second-hand sports car, known as the Enzmann 506. This report goes back to the very beginning and shows the history of the Enzmann 506 in unprecedented depth, including many historical photographs, brochures and price lists.