<prompt> Per-Olof Verner Olsson 10 Zvita 1918 12 Gumiguru 1982 aive mutambi wekuSweden uyo akakwikwidza mumitambo yeOlympic yezhizha ya1948. Akapedza ari wechina mumakwikwi e4 × 200 m uye wechitanhatu mumakwikwi e100 m freestyle. Akakunda menduru mbiri muzviitiko izvi pa1947 European Aquatics Championships  <response>: . 