Sir Francis Avery Jones was a British physician and gastroenterologist.

He was born in Briton Ferry, Carmarthenshire, Wales but educated at the Sir John Leman High School

Sir John Leman High School

Sir John Leman High School is currently a mixed-sex, 13-18 comprehensive school serving part of the Waveney region in north Suffolk, England. The school is located on the western edge of the town of Beccles and serves the surrounding area, including Worlingham and parts of Lowestoft...

, Beccles, Suffolk and at St Bartholomew's Hospital

St Bartholomew's Hospital

St Bartholomew's Hospital, also known as Barts, is a hospital in Smithfield in the City of London, England.-Early history:It was founded in 1123 by Raherus or Rahere , a favourite courtier of King Henry I...

 Medical School, where he qualified in medicine in 1934.

As a house physician he became interested in gastroenterology and based his successful future clinical career on the treatment of stomach and bowel ulceration. In 1940, he was appointed as Physician to the staff of the Central Middlesex Hospital

Central Middlesex Hospital

Central Middlesex hospital is in the centre of the Park Royal business estate, on the border of two London boroughs, Brent and Ealing.-Hospital role:CMH is a teaching hospital of Imperial College School of Medicine and part of the...

, where he joined a group of specialist gastroenterologists, remaining in the post until 1974. He also acted as consultant to St Mark's Hospital (1948–78) and the Royal Navy {1950-78}. He was editor of the journal Gut from 1965 to 1970.

Made a fellow of the Royal College of Physicians

Royal College of Physicians

The Royal College of Physicians of London was founded in 1518 as the College of Physicians by royal charter of King Henry VIII in 1518 - the first medical institution in England to receive a royal charter...

 he delivered a Goulstonian Lecture in 1947, a Lumleian lecture

Lumleian Lectures

The Lumleian Lectures are a series of annual lectures run by the Royal College of Physicians of London, started in 1582 and now run by the Lumleian Trust. The name commemorates John Lumley, 1st Baron Lumley, who with Richard Caldwell of the College endowed the lectures, initially confined to...

 in 1956, a Croonian Lecture

Croonian Lecture

The Croonian Lectures are prestigious lectureships given at the invitation of the Royal Society and the Royal College of Physicians.Among the papers of William Croone at his death in 1684, was a plan to endow one lectureship at both the Royal Society and the Royal College of Physicians...

 in 1969 and the Harveian Oration

Harveian Oration

The Harveian Oration is a yearly lecture held at the Royal College of Physicians of London. It was instituted in 1656 by William Harvey, discoverer of the systemic circulation. Harvey made financial provision for the college to hold an annual feast on St...

 in 1980. He was awarded CBE

CBE

CBE and C.B.E. are abbreviations for "Commander of the Order of the British Empire", a grade in the Order of the British Empire.Other uses include:* Chemical and Biochemical Engineering...

 in 1966 and knighted in 1970. He served as president of the Medical Society of London

Medical Society of London

The Medical Society of London is one of the oldest surviving medical societies in the United Kingdom ....

in 1977-78.

He died in Chichester, West Sussex on 30 April 1998. He had married twice, firstly in 1934 Dorothea Pfirter (died 1983) with whom he had one son and secondly in 1983 Joan Edmunds.