Hermann Arthur Jahn
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Hermann Arthur Jahn () (31 May 1907 in
Colchester Colchester ( ) is a city in northeastern Essex, England. It is the second-largest settlement in the county, with a population of 130,245 at the 2021 United Kingdom census, 2021 Census. The demonym is ''Colcestrian''. Colchester occupies the ...
, England – 24 October 1979 in
Southampton Southampton is a port City status in the United Kingdom, city and unitary authority in Hampshire, England. It is located approximately southwest of London, west of Portsmouth, and southeast of Salisbury. Southampton had a population of 253, ...
) was a British scientist of German descent. With
Edward Teller Edward Teller (; January 15, 1908 – September 9, 2003) was a Hungarian and American Theoretical physics, theoretical physicist and chemical engineer who is known colloquially as "the father of the hydrogen bomb" and one of the creators of ...
, he identified the
Jahn–Teller effect The Jahn–Teller effect (JT effect or JTE) is an important mechanism of spontaneous symmetry breaking in molecular and solid-state systems which has far-reaching consequences in different fields, and is responsible for a variety of phenomena in sp ...
. He is not to be confused with Hermann Jahn, the 20th Century German politician, or Hermann Jahn the 20th Century German biologist.


Early life

He was the son of Friedrich Wilhelm Hermann Jahn and Marion May Curtiss. He attended City School in
Lincoln Lincoln most commonly refers to: * Abraham Lincoln (1809–1865), the 16th president of the United States * Lincoln, England, cathedral city and county town of Lincolnshire, England * Lincoln, Nebraska, the capital of Nebraska, U.S. * Lincoln (na ...
. Jahn received his
Bachelor of Science A Bachelor of Science (BS, BSc, B.S., B.Sc., SB, or ScB; from the Latin ') is a bachelor's degree that is awarded for programs that generally last three to five years. The first university to admit a student to the degree of Bachelor of Scienc ...
degree in chemistry at
University College, London University College London (Trade name, branded as UCL) is a Public university, public research university in London, England. It is a Member institutions of the University of London, member institution of the Federal university, federal Uni ...
in 1928. He received his
PhD A Doctor of Philosophy (PhD, DPhil; or ) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research. The name of the deg ...
on 14 February 1935 under the supervision of
Werner Heisenberg Werner Karl Heisenberg (; ; 5 December 1901 – 1 February 1976) was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics and a principal scientist in the German nuclear program during World War II. He pub ...
at the
University of Leipzig Leipzig University (), in Leipzig in Saxony, Germany, is one of the world's oldest universities and the second-oldest university (by consecutive years of existence) in Germany. The university was founded on 2 December 1409 by Frederick I, Electo ...
. The title of his dissertation was "The rotation and oscillation of the methane molecule". From 1935 to 1941 he did research at the
Davy Faraday Research Laboratory Davy may refer to: * Davy (given name) * Davy (surname) * Davy lamp, a type of safety lamp with its flame encased inside a mesh screen * Davy, West Virginia, United States, a town * Davy Sound, Greenland * Davy (crater), a crater on the Moon * ''D ...
at the
Royal Institution The Royal Institution of Great Britain (often the Royal Institution, Ri or RI) is an organisation for scientific education and research, based in the City of Westminster. It was founded in 1799 by the leading British scientists of the age, inc ...
in London.


Career

From 1941 to 1946, he was based at the
Royal Aircraft Establishment The Royal Aircraft Establishment (RAE) was a British research establishment, known by several different names during its history, that eventually came under the aegis of the Ministry of Defence (United Kingdom), UK Ministry of Defence (MoD), bef ...
at
Farnborough Airfield Farnborough Airport (previously called: TAG Farnborough Airport, RAE Farnborough, ICAO Code EGLF) is an operational business/executive general aviation airport in Farnborough, Rushmoor, Hampshire, England. The airport covers about 8% of Ru ...
. He was (the first) Professor of Applied Mathematics at the
University of Southampton The University of Southampton (abbreviated as ''Soton'' in post-nominal letters) is a public university, public research university in Southampton, England. Southampton is a founding member of the Russell Group of research-intensive universit ...
from 1949 to 1972. He published scientific papers on
quantum mechanics Quantum mechanics is the fundamental physical Scientific theory, theory that describes the behavior of matter and of light; its unusual characteristics typically occur at and below the scale of atoms. Reprinted, Addison-Wesley, 1989, It is ...
and
group theory In abstract algebra, group theory studies the algebraic structures known as group (mathematics), groups. The concept of a group is central to abstract algebra: other well-known algebraic structures, such as ring (mathematics), rings, field ( ...
.


Personal life

He married Karoline Schüler in 1943 in
Hendon Hendon is an urban area in the London Borough of Barnet, northwest London northwest of Charing Cross. Hendon was an ancient Manorialism, manor and parish in the county of Middlesex and a former borough, the Municipal Borough of Hendon; it has ...
. They had a son (born 1944) and a daughter (born 1946). Jahn died in 1979 aged 72.


References

''This article has been translated from the article in the German-language Wikipedia. It has then had subsequent modifications made to it to clarify some points.'' {{DEFAULTSORT:Jahn, Hermann Arthur 1907 births 1979 deaths Alumni of University College London English chemists English people of German descent Leipzig University alumni Academics of the University of Southampton People from Lincoln, England