 Complete the following phrase:  Brigadier Arnold William Potts, 16 September 1896  1 January 1968 was an Australian grazier and army officer who served in the First World War and led the 21st Brigade of the Second Australian Imperial Force during its defence of the Kokoda Trail during the Second World War. He had a distinguished career, however, his place in history has largely been unacknowledged due to his dismissal by General Sir Thomas Blamey, at the very point when Potts had fought the Japanese to exhaustion. His fighting withdrawal over the Kokoda Trail has been called one of the most critical triumphs in Australian military history and one that an apathetic nation has still to honour. Many contemporaries as well as Potts official biographer regard this sacking as one of the most disgraceful actions of Blameys military career. Following his dismissal, Potts went on to command the 23rd Brigade during the 