<prompt> Vivian Berkeley akaberekwa musi waAugust 9, 1941 ari Canadian kaviri World Blind Lawn Bowling Champion, 1996 Paralympic Games  <response>: Akakunda menduru yesirivha uye menduru yebronze paMitambo yeCommonwealth ya2002. Pasina mubvunzo Greatest Canadian Blind Lawn Bowler of All-time B1 category completely blind, Berkeley ariwo zvikuru arguably the Most Successful International lawn bowler in Canadian history. 