<prompt> Tlatša polelwana ye e latelago: Allen Walter Stonex 20 April 1917 20 February 1983 e be e le mmapadi wa dipaesekele wa mothaladi wa New Zealand yo a emetšego naga ya gagwe go  <response>: Dipapadi tša Lefase tša 1948 tša UCI Track Cycling le Dipapadi tša Mmušo wa Brithania tša 1950. 