Robert "Bob" Mactier, VC (17 May 1890 – 1 September 1918) was an Australian recipient of the Victoria Cross, the highest award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. He was one of 64 Australians to receive the award for their actions during the First World War, receiving it as a result of deeds performed during the Battle of Mont St Quentin on 1 September 1918. That day, Mactier was a battalion runner serving with the 23rd Battalion, Australian Imperial Force. He was sent forward by an officer to determine the cause of a delay in the battalion moving into its jumping off position. The cause was a well placed enemy machine gun. On his own initiative, Mactier jumped out of the trench and charged the gun, killing its crew of six. He then