Henry Ernest Wyatt was born at Surrey Hills, Sydney in 1895 and worked as both a boundary rider and as a labourer. At the time of enlisting, Wyatt was working in the machine room of the Sydney newspaper, the Evening News, alongside his brother, Albert Wyatt, whom he listed as his next of kin. Henry Wyatt joined the war effort at Liverpool camp, enlisting on 26 November 1914 and was assigned to the 2nd Infantry Battalion. He embarked for Egypt aboard HMAT Seang Bee, but was slowed when the vessel hit part of the Great Barrier Reef on its way out of Australian waters.

After a short period of training in Egypt, Wyatt was sent to Gallipoli. He participated in the entire campaign, from the landing on 25 April 1915 until the evacuation in December 1915. After the evacuation, Wyatt returned to Egypt with his unit and then went to France. He fought on the Somme during 1916 and earned promotion to the rank of corporal in October of that year. In early April 1917 Henry Wyatt was fatally wounded in fighting in the Bullecourt area, succumbing to his wounds on 11th April 1917 and is buried at St. Sever Cemetery in Rouen, France.