 He graduated Bachelor of Arts degree in Natural Sciences in 1910 and MA in 1921.At Oxford, he was a Cadet in the University's Officers' Training Corps, and in July 1911 he was commissioned as a second lieutenant for service with the Gresham's School OTC.After some ten years as a schoolmaster at Gresham's and Winchester, in 1920 Hammick was elected to a fellowship of Oriel College, Oxford, where he remained until his death in 1966.