Milward was educated at Epsom; at Caius College, Cambridge; and at Guy's Hospital - graduating B.A. in 1893, M.A. in 1898, and M.B. and B.C. in 1903. He also took the English double qualification in 1898. He filled the post of Clinical Clerk at the Samaritan Hospital for Women, as House Surgeon and House Physician at Paddington Green Children’s Hospital, and as Resident Medical Officer at the North-West London Hospital, afterwards, in 1902, he set up in practice in Abingdon, Berks. At the time of the Boer War, he was appointed Civil Doctor to the Guards at Victoria Barracks, Windsor. Milward volunteered at the start of the Great War, joining the 3rd Home Counties Field Ambulance on 3rd December 1914, he was sent to France, entering in April 1915. On 11th May 1915, he was on the Menin Road, Ypres and was dangerously wounded by a shell hitting him in the back and causing concussion of the spine, also a bullet pierced his lung. He was evacuated back to the UK and was on sick leave until 1st March 1916, when he was posted for duty at a military hospital. Whilst on duty he succumbed to pneumonia, and died from acute septic pneumonia at Brighton. Milward was the second son of the late Henry Hayward, a dentist, and Elizabeth - daughter of George Radley, of Queen Anne Street, London; and was the husband of Constance Mary - married at Santa Barbara, California, U.S.A. on 24th September 1901.