James Jago FRS, (1815–1893) was an English physician. He was the second son of John Jago and was born 18 December 1815 at the barton of Kigilliack, Budock, near Falmouth, Cornwall, once a seat of the bishops of Exeter. Dr. Jago was a voluminous writer on various medical subjects, the most important of which were investigations upon certain

physiological Physiology (; ) is the scientific study of functions and mechanisms in a living system. As a sub-discipline of biology, physiology focuses on how organisms, organ systems, individual organs, cells, and biomolecules carry out the chemical ...

and

pathological Pathology is the study of the causal, causes and effects of disease or injury. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when us ...

conditions of the eye, which his mathematical and medical knowledge especially fitted him to discuss. He was also interested in the history and progress of Cornish science and antiquities. He was educated at the Falmouth Classical and Mathematical School until about 1833. After a short period of private tuition he entered

St. John's College, Cambridge St John's College is a constituent college of the University of Cambridge founded by the Tudor matriarch Lady Margaret Beaufort. In constitutional terms, the college is a charitable corporation established by a charter dated 9 April 1511. The ...

, in Easter term 1835, and graduated BA in the

mathematical tripos The Mathematical Tripos is the mathematics course that is taught in the Faculty of Mathematics at the University of Cambridge. It is the oldest Tripos examined at the University. Origin In its classical nineteenth-century form, the tripos was a ...

of 1839 as thirty-second wrangler. He then determined to adopt the medical profession, and studied at various hospitals in London, Paris, and Dublin. On 16 Feb. 1843 he was incorporated at the

University of Oxford , mottoeng = The Lord is my light , established = , endowment = £6.1 billion (including colleges) (2019) , budget = £2.145 billion (2019–20) , chancellor ...

from

Wadham College Wadham College () is one of the constituent colleges of the University of Oxford in the United Kingdom. It is located in the centre of Oxford, at the intersection of Broad Street and Parks Road. Wadham College was founded in 1610 by Dorothy W ...

. He graduated M.B. on 22 June 1843, and the degree of doctor of medicine was conferred upon him by this university on 10 June 1859. He then began to practise in

Truro Truro (; kw, Truru) is a City status in the United Kingdom, cathedral city and civil parishes in England, civil parish in Cornwall, England. It is Cornwall's county town, sole city and centre for administration, leisure and retail trading. Its ...

, and in 1856 he was appointed physician to the

Royal Cornwall Infirmary Royal Cornwall Infirmary was a hospital in the south of the centre of Truro, Cornwall, England. History The Royal Cornwall Infirmary was designed by William Wood, and paid for by public subscription. It had just 20 beds when it opened on 12 Augu ...

, and he was also connected professionally with the Truro dispensary. He was elected a fellow of the

Royal Society The Royal Society, formally The Royal Society of London for Improving Natural Knowledge, is a learned society and the United Kingdom's national academy of sciences. The society fulfils a number of roles: promoting science and its benefits, re ...

on 2 June 1870, and he served (1873–5) as president of the

Royal Institution of Cornwall The Royal Institution of Cornwall (RIC) is a Learned society in Truro, Cornwall, United Kingdom. It was founded in Truro on 5 February 1818 as the Cornwall Literary and Philosophical Institution. The Institution was one of the earliest of seven ...

in Truro, a society of which he had been the honorary secretary for many years. He died on 18 Jan. 1893. He married, in 1864, Maria Jones, daughter of Richard Pearce of

Penzance Penzance ( ; kw, Pennsans) is a town, civil parish and port in the Penwith district of Cornwall, United Kingdom. It is the most westerly major town in Cornwall and is about west-southwest of Plymouth and west-southwest of London. Situated ...

, by whom he had two daughters.

Publications

*''Ocular Spectres and Structures as Mutual Exponents'', London, 1856, 8vo. This work deals with various optical defects of the human eye. *''Entoptics, with its Uses in Physiology and Medicine'', London, 1864, 8vo. He also contributed various papers to the ''London Medical Gazette'', ''

Proceedings of the Royal Society ''Proceedings of the Royal Society'' is the main research journal of the Royal Society. The journal began in 1831 and was split into two series in 1905: * Series A: for papers in physical sciences and mathematics. * Series B: for papers in life s ...

'', the ''British and Foreign Medical and Chirurgical Review'', and the ''Journal of the Royal Institution of Cornwall''.

References

*''

'', 1893, vol. liv. * Foster, Joseph, ''Alumni Oxonienses 1715–1886'' *Gardiner, R. B., ''Registers of Wadham College, 1613-1871'' (2 vols, 1889–95), ii. 414 {{DEFAULTSORT:Jago, James 1815 births 1893 deaths English scientists Fellows of the Royal Society 19th-century English medical doctors Alumni of Wadham College, Oxford Alumni of St John's College, Cambridge