<prompt> Tlatša polelo ye e latelago: John Lavers Bartram 3 June 1925 20 November 2014 e be e le moatlelete wa Australia yo a bego a phadišana ka di-Olimpiki tša Selemo tša 1948 ka 100 m, 400 m le  <response>: 4 × 100 ya dimithara tša relay. 