Born at Liverpool, 31 October 1866, second child and eldest son of William Stone, solicitor, and Catherine Fleetwood Nelson, his wife. He was educated at Eton and at Balliol College, Oxford, where he took second-class honours in moderations and literae humaniores (classical "Greats"). He received his medical education at St Thomas's Hospital, where he served as house surgeon and clinical assistant in the electrical and ear departments. Stone settled in practice in South London, became medical officer to Camberwell Provident Dispensary and to St Gabriel's College, and was surgeon to the Brixton Orphanage. He was also a surgeon to the Metropolitan Police. During the war of 1914-18 he was surgeon to Southwark Military Hospital. He married in 1897 Lilian Emily Doughan, but there were no children. Stone died on 9 December 1947, aged 81, at The Stone House, 21 Rose Hill, Dorking, Surrey, and was buried in Dorking cemetery. He left the residue of his estate, after a few small personal legacies, to the Sisters of the Transfiguration at the Mount Tabor Institution for Mentally Defective Persons, at Basingstoke. Publications: Recurrent attacks of catalepsy, alternating with violent mental excitement. *Lancet*, 1901, 1, 1132. Hereditary aphasia: a family disease of the nervous system, due possibly to syphilis, with J J Douglas. *Brain*, 1902, 25, 293-317. Case of prolapsus uteri treated by injection of paraffin, with J J Douglas. *Brit med J* 1903, 2, 79. A case of enlargement of the bones of the cranium, jaw, and thorax (? syphilitic). *Clin Soc Trans* 1904, 37, 239. A note on a case of hereditary aphasia. *Lancet*, 1905, 1, 423.