Gunther was the World Memory Champion in 2007.
Dr. Gunther Karsten (Germany) was able to memorise 102 decimal digits within one minute. Afterwards, he recalled all these digits without a single error on January 31, 2007 at ...
Dr. Gunther Karsten: WMC 2009: Historic/Future Dates: 118 dates: Johannes Mallow: WMC 2009: Hour Cards: 1404 cards: Ben Pridmore: WMC 2006: Hour Numbers: 2080 digits