Phillip Flack was born in Chetwynde, Victoria was single and was employed as a Farmer. He enlisted in Bunbury, Western Australia at the age of 27. He volunteered and was stationed with the 38th Battalion, C Company with the Regimental number 875. He was Killed in Action on the 29th of September 1918. He is buried in the Templeux-le-Guerard British Cemetery in Plot II, Row F, Grave number 40. Tree number 3513.