Hans Herrmann at the Retro Classics in Stuttgart, Germany 2010 Hans Herrmann, one of the most successful and popular racing drivers to join the Porsche AG works team, celebrates his 90th birthday this year on February 23. The endurance and Monoposto specialist, born in Stuttgart in 1928, is regarded as one of the most reliable and consistent race drivers of all time. In the course of his motor sport career, Hans Herrmann won more than 80 overall and best in […]