Johannes "Jan" Lammers, (born June 2, 1956 in Zandvoort), is a racing driver and team principal from the Netherlands. He participated in 41 Formula One Grand Prix races, debuting on January 21, 1979. He takes part in the inaugural season of the Grand Prix Masters formula for retired Formula One drivers, as well the 24 Hours of Le Mans in which he runs and races the Racing for Holland-team. Also, Jan Lammers is owner of the Dutch A1 Grandprix team. Wikipedia
The definitive Wikipedia entry for Jan Lammers. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Jan_Lammers