Tuhia he haere tonu mo tenei waahanga - Ko Christian Gessner (ko Geßner ranei; i whanau i te 16 o Hune 1968) he kaikawe reti o Tiamana i toa i nga mētara e toru i te 200 m me te 400 m medley i te 1991 European Aquatics Championships
me te 1991 World Aquatics Championships. I te tau e whai ake nei, i mutu ia i te tuarima i roto i nga huihuinga ano i te 1992 Summer Olympics.