The Honounorable John Murdoch Mitchison FRS,

FRSE Fellowship of the Royal Society of Edinburgh (FRSE) is an award granted to individuals that the Royal Society of Edinburgh, Scotland's national academy of science and letters, judged to be "eminently distinguished in their subject". This soci ...

(11 June 1922,

Oxford Oxford () is a city in England. It is the county town and only city of Oxfordshire. In 2020, its population was estimated at 151,584. It is north-west of London, south-east of Birmingham and north-east of Bristol. The city is home to the ...

– 17 March 2011,

Edinburgh Edinburgh ( ; gd, Dùn Èideann ) is the capital city of Scotland and one of its 32 Council areas of Scotland, council areas. Historically part of the county of Midlothian (interchangeably Edinburghshire before 1921), it is located in Lothian ...

) was a British

zoologist Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...

Background

Family

Mitchison was the son of the Labour politician

Dick Mitchison Gilbert Richard Mitchison, Baron Mitchison, (23 March 1894 – 14 February 1970) was a British Labour politician. Born in Staines, Mitchison was educated at Eton College and New College, Oxford, and became a barrister ( called to the bar in 1 ...

and his wife, the writer Naomi (née Haldane). The biologist

J.B.S. Haldane John Burdon Sanderson Haldane (; 5 November 18921 December 1964), nicknamed "Jack" or "JBS", was a British-Indian scientist who worked in physiology, genetics, evolutionary biology, and mathematics. With innovative use of statistics in biolog ...

was his uncle, and the physiologist

John Scott Haldane John Scott Haldane (; 2 May 1860 – 14/15 March 1936) was a British physician and physiologist famous for intrepid self-experimentation which led to many important discoveries about the human body and the nature of gases. He also experimen ...

was his maternal grandfather. His elder brother is the bacteriologist Denis Mitchison, and his younger brother is the zoologist

Avrion Mitchison (Nicholas) Avrion Mitchison (born 5 May 1928) is a British zoologist and immunologist. Biography Mitchison was born in 1928, the son of the Labour politician Dick Mitchison (Baron Mitchison of Carradale in the County of Argyll, who died 197 ...

. His wife was the historian

Rosalind Mitchison Rosalind Mary Mitchison FRSE (11 April 1919 – 19 September 2002) was a 20th-century English historian and academic who specialised in Scottish social history. She was affectionately known as "Rowy" Mitchison. Life Rosalind Mary Wrong wa ...

Education

Mitchison went to

Winchester College Winchester College is a public school (fee-charging independent day and boarding school) in Winchester, Hampshire, England. It was founded by William of Wykeham in 1382 and has existed in its present location ever since. It is the oldest of the ...

and

Trinity College, Cambridge Trinity College is a constituent college of the University of Cambridge. Founded in 1546 by Henry VIII, King Henry VIII, Trinity is one of the largest Cambridge colleges, with the largest financial endowment of any college at either Cambridge ...

, later becoming

Professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...

Zoology Zoology ()The pronunciation of zoology as is usually regarded as nonstandard, though it is not uncommon. is the branch of biology that studies the Animal, animal kingdom, including the anatomy, structure, embryology, evolution, Biological clas ...

Edinburgh University The University of Edinburgh ( sco, University o Edinburgh, gd, Oilthigh Dhùn Èideann; abbreviated as ''Edin.'' in Post-nominal letters, post-nominals) is a Public university, public research university based in Edinburgh, Scotland. Granted ...

in 1963 after working there for a decade. He was elected a fellow of the

Royal Society of London 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 ...

in 1978.

Career

Considered a pioneer in the area of

cellular biology Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and ...

, Mitchison developed the yeast ''

Schizosaccharomyces pombe ''Schizosaccharomyces pombe'', also called "fission yeast", is a species of yeast used in traditional brewing and as a model organism in molecular and cell biology. It is a unicellular eukaryote, whose cells are rod-shaped. Cells typically measur ...

'' as a model system to study the mechanisms and kinetics of growth and the

cell cycle The cell cycle, or cell-division cycle, is the series of events that take place in a cell that cause it to divide into two daughter cells. These events include the duplication of its DNA (DNA replication) and some of its organelles, and sub ...

. He was an academic advisor to the 2001

Nobel Prize in Physiology The Nobel Prize in Physiology or Medicine is awarded yearly by the Nobel Assembly at the Karolinska Institute for outstanding discoveries in physiology or medicine. The Nobel Prize is not a single prize, but five separate prizes that, according ...

recipient

Paul Nurse Sir Paul Maxime Nurse (born 25 January 1949) is an English geneticist, former President of the Royal Society and Chief Executive and Director of the Francis Crick Institute. He was awarded the 2001 Nobel Prize in Physiology or Medicine along ...

References

{{DEFAULTSORT:Mitchison, John Murdoch 1922 births 2011 deaths Academics of the University of Edinburgh Alumni of Trinity College, Cambridge Fellows of the Royal Society Fellows of the Royal Society of Edinburgh People educated at Winchester College Scottish biologists Younger sons of barons