An then there is Dieter Binninger[1] who not only build the weirdest clock of Berlin[2] (still working) but also developed a Langlebensdauerglühlampe with a gua

An then there is Dieter Binninger[1] who not only build the weirdest clock of Berlin[2] (still working) but also developed a Langlebensdauerglühlampe with a guaranteed life time of 150.000 hours. [1] http://de.wikipedia.org/wiki/Dieter_Binninger http://de.wikipedia.org/wiki/Dieter_Binninger [german] [2] http://en.wikipedia.org/wiki/Mengenlehreuhr http://en.wikipedia.org/wiki/Mengenlehreuhr