<prompt> Pedzisa mutsara unotevera: Christian Gessner kana Geßner; akaberekwa musi wa16 Chikumi 1968 mutambi akarega basa wekuGermany uyo akahwina menduru nhatu mumakwikwi emamita mazana maviri nemakumi mana emamita pamakwikwi eWorld Championships.  <response>: 1991 European Aquatics Championships uye 1991 World Aquatics Championships. Gore rakatevera racho, akapedza ari wechishanu mumitambo imwe cheteyo paMitambo yeOlympic yeZhizha ya1992. 