Peter Nielsen Ladefoged ( , ; 17 September 1925 – 24 January 2006) was a British
linguist
Linguistics is the scientific study of language
A language is a structured system of communication
Communication (from Latin
Latin (, or , ) is a classical language belonging to the Italic languages, Italic branch of the Indo ...

and
phonetician
Phonetics is a branch of linguistics
Linguistics is the science, scientific study of language. It encompasses the analysis of every aspect of language, as well as the methods for studying and modeling them.
The traditional areas of lingu ...

.
He was Professor of Phonetics at
University of California, Los Angeles
The University of California, Los Angeles (UCLA) is a public university, public Land-grant university, land-grant research university in Los Angeles, California. UCLA’s academic roots were established in 1882 as a teachers college then known ...
(UCLA), where he taught from 1962 to 1991. His book ''A Course in Phonetics'' is a common introductory text in phonetics, and ''
The Sounds of the World's Languages'' (co-authored with
Ian Maddieson
Ian Maddieson (born September 1, 1942 in Watford
Watford () is a large town and borough
A borough is an administrative division in various English language, English-speaking countries. In principle, the term ''borough'' designates a self- ...
) is widely regarded as a standard phonetics reference. Ladefoged also wrote several books on the phonetics of
African languages
The languages of Africa are divided into several major Language family, language families:
*Niger–Congo languages, Niger–Congo or perhaps Atlantic–Congo languages (includes Bantu languages, Bantu and non-Bantu, and possibly Mande languages ...

. Prior to UCLA, he was a lecturer at the universities of
Edinburgh
Edinburgh (; sco, 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 ...
,
Scotland
Scotland ( sco, Scotland, gd, Alba
Alba (Scottish Gaelic
Scottish Gaelic ( gd, Gàidhlig or Scots Gaelic, sometimes referred to simply as Gaelic) is a Goidelic language (in the Celtic languages, Celtic branch of the Indo-European ...

(1953–59, 1960–1) and
Ibadan
Ibadan (, ; ) is the Capital city, capital and most populous city of Oyo State, in Nigeria. It is the List of Nigerian cities by population, third-largest city by population in Nigeria after Lagos and Kano (city), Kano, with a total population ...

,
Nigeria
Nigeria (), officially the Federal Republic of Nigeria, is a country in West Africa
West Africa or Western Africa is the westernmost region of . The defines Western Africa as the 17 countries of , , , , , , , , , , , , , , , and as we ...

(1959–60).
Early life
Peter Ladefoged was born on 17 September 1925, in
SuttonSutton (''south settlement'' or ''south town'' in Old English) may refer to:
Places
United Kingdom
England
In alphabetical order by county:
* Sutton, Bedfordshire
* Sutton, Berkshire, a List of United Kingdom locations: Stu-Sz#Su, location
* Sut ...

(then in
Surrey
Surrey () is a county
A county is a geographical region of a country used for administrative or other purposesChambers Dictionary
The ''Chambers Dictionary'' (''TCD'') was first published by William Chambers (publisher), William and R ...

, now in
Greater London
Greater London is an Metropolitan and non-metropolitan counties of England, administrative area governed by the Greater London Authority, and a Ceremonial counties of England, ceremonial county of England that covers the bulk of the same area ...

), England. He attended
Haileybury CollegeHaileybury may refer to:
Australia
* Haileybury (Melbourne)
(Lift up your hearts)
, established = 1892
, type = Independent school, Independent, co-educational, day school
, denomination =
, slogan ...
from 1938–43, and
Gonville and Caius College, Cambridge
Gonville & Caius College (often referred to simply as Caius ) is a Colleges of the University of Cambridge, constituent college of the University of Cambridge in Cambridge, England. Originally founded in 1348, it is the fourth-oldest of the thi ...
,
Cambridge University
The University of Cambridge is a collegiate university, collegiate research university in Cambridge, Cambridge, United Kingdom. Founded in 1209 and granted a royal charter by Henry III of England, Henry III in 1231, Cambridge is the second-oldest ...
from 1943–44. He received an
MA (1951) and a PhD (1959) in Phonetics from the
University of Edinburgh
The University of Edinburgh ( sco, University o Edinburgh, gd, Oilthigh Dhùn Èideann; abbreviated as ''Edin.'' in post-nominals
Post-nominal letters, also called post-nominal initials, post-nominal titles, designatory letters or simply ...
in 1959.
Career
Ladefoged was involved with the phonetics laboratory at UCLA, which he established in 1962. He also was interested in listening to and describing every sound used in spoken human language, which he estimated at 900
consonant
In articulatory phonetics
The field of articulatory phonetics is a subfield of phonetics that studies articulation and ways that humans produce speech. Articulatory phoneticians explain how humans produce speech sounds via the interaction of d ...
s and 200
vowel
A vowel is a syllabicSyllabic may refer to:
*Syllable, a unit of speech sound, considered the building block of words
**Syllabic consonant, a consonant that forms the nucleus of a syllable
*Syllabary, writing system using symbols for syllables
...

s. This research formed the basis of much of ''
The Sounds of the World's Languages''. In 1966 Ladefoged moved from the UCLA English Department to join the newly established Linguistics Department.
While at UCLA, Ladefoged was hired as a consultant on the movie ''
My Fair Lady
''My Fair Lady'' is a musical theatre, musical based on George Bernard Shaw's 1913 play ''Pygmalion (play), Pygmalion'', with book and lyrics by Alan Jay Lerner and music by Frederick Loewe. The story concerns Eliza Doolittle, a Cockney flower g ...
''. He wrote the transcriptions that can be seen in Professor Higgins's notebook, and his voice was used in the scenes where Higgins describes vowel pronunciation.
Ladefoged was also a member of the
International Phonetic Association
The International Phonetic Association (IPA; French
French (french: français(e), link=no) may refer to:
* Something of, from, or related to France
France (), officially the French Republic (french: link=no, République française), is a ...

for a long time, and was President of the Association from 1986 to 1991. He was deeply involved in maintaining its
International Phonetic Alphabet
The International Phonetic Alphabet (IPA) is an alphabet
An alphabet is a standardized set of basic written symbols
A symbol is a mark, sign, or word
In linguistics, a word of a spoken language can be defined as the smallest s ...
, and was the principal mover of the 1989
International Phonetic Association Kiel Convention. He was also editor of the ''Journal of the International Phonetic Association''. Ladefoged served on the board of directors of the
Endangered Language Fund since its inception.
Ladefoged was a founding member of the
Association for Laboratory PhonologyThe Association for Laboratory Phonology is a non-profit professional society for researchers interested in the sound structure of language. It was founded to promote the scientific study of all aspects of phonetics
Phonetics is a branch of lingui ...
.
Personal life
Ladefoged married Jenny MacDonald in 1953, a marriage which lasted over 50 years.
They had three children: Lise Friedman, a bookseller; Thegn Ladefoged,
archaeologist
Archaeology or archeology is the study of human activity through the recovery and analysis of material culture. Archaeology is often considered a branch of socio-cultural anthropology, but archaeologists also draw from biological, geological, ...

and professor of
anthropology
Anthropology is the scientific study of human
Humans (''Homo sapiens'') are the most abundant and widespread species
In biology
Biology is the natural science that studies life and living organisms, including their anatomy, ...
at
University of Auckland
, mottoeng = By natural ability and hard work
, established = 1883; years ago
, endowment = New Zealand Dollar, NZD $251 million (31 December 2020)
, budget = NZD $1.226 billion (31 December 2020)
, chancellor = Scott St John
, vice_cha ...
; and Katie Weiss, attorney and
public defender
A public defender is a lawyer
A lawyer or attorney is a person who practices law, as an advocate
An advocate is a professional in the field of law. Different countries' legal systems use the term with somewhat differing meanings. The b ...
, residing in
Nashville
Nashville is the Capital city, capital and List of municipalities in Tennessee, most populous city of the U.S. state of Tennessee. The city is the county seat of Davidson County, Tennessee, Davidson County and is located on the Cumberland River. ...
, Tennessee.
He also had five grandchildren Zelda Ladefoged, Ethan Friedman, Amy Friedman, Joseph Weiss, and Catherine Weiss.
On May 5, 1970, Ladefoged was arrested and suffered injuries from police while participating in an anti–Vietnam War protest at UCLA. He was initially charged with failure to disperse, but the charge was later changed to assault on a police officer. He was acquitted in the first trial.
Death
Ladefoged died on 24 January 2006 at the age of 80 in hospital in London, England after a research trip to India.
He was on his way home to Los Angeles, California from his research trip.
Academic timeline
* 1953–55: Assistant Lecturer in Phonetics, University of Edinburgh
* 1955–59: Lecturer in Phonetics, University of Edinburgh
* 1959–60: Lecturer in Phonetics,
University of Ibadan
The University of Ibadan (UI) is a Public Research University, public research university in Ibadan, Nigeria. The university was founded in 1948 as University College Ibadan, one of many colleges within University of London. It became an independe ...

, Nigeria
* 1960–61: Lecturer in Phonetics, University of Edinburgh
* 1961–62: Field fellow, Linguistic Survey of West Africa, Nigeria
* Summer 1960:
University of Michigan
, mottoeng = "Arts, Knowledge, Truth"
, former_names = Catholepistemiad, or University of Michigania (1817–1821)
, budget = $8.99 billion (2018)
, endowment = $17 billion (2021)As of October 25, 2021. ...

* Summer 1961:
Royal Institute of Technology
The KTH Royal Institute of Technology ( sv, Kungliga Tekniska högskolan), abbreviated KTH, is a Public university, public research university in Stockholm, Sweden. KTH conducts research and education in Institute of technology, engineering and ...
,
ungliga Tekniska högskolan or KTH (
Stockholm
Stockholm (; ) is the capital
Capital most commonly refers to:
* Capital letter
Letter case (or just case) is the distinction between the letters that are in larger uppercase or capitals (or more formally ''majuscule'') and smalle ...

,
Sweden
Sweden ( sv, Sverige ), officially the Kingdom of Sweden ( sv, links=no, Konungariket Sverige ), is a Nordic country
The Nordic countries, or the Nordics, are a geographical and cultural region
In geography, regions are areas that ...

)
* 1962–63: Assistant Professor of Phonetics, Department of English, UCLA
* 1962: Established, and directed until 1991, the UCLA Phonetics Laboratory
* 1963–65: Associate Professor of Phonetics, Department of Linguistics], UCLA
* 1965–91: Professor of Phonetics, Department of Linguistics, UCLA
* 1977–80: Chair, Department of Linguistics, UCLA
* 1991: "retired" to become UCLA Research Linguist, Distinguished Professor of Phonetics Emeritus
* 2005: Leverhulme Professor, University of Edinburgh
* 2005–06: Adjunct professor at the
University of Southern California
, mottoeng = "Let whoever earns the palm bear it"
, religious_affiliation = Nonsectarian - Methodist
Methodism, also called the Methodist movement, is a group of historically related denominations
Denomination may refer to:
* Religious de ...

(USC)
Academic honours
* Fellow of the
Acoustical Society of America
The Acoustical Society of America (ASA) is an international scientific society founded in 1929 dedicated to generating, disseminating and promoting the knowledge of acoustics
Acoustics is a branch of physics that deals with the study of mechanic ...
* Fellow of the
American Speech and Hearing Association
* Distinguished Teaching Award, UCLA 1972
* President,
Linguistic Society of America
The Linguistic Society of America (LSA) is a learned society
A learned society (; also known as a learned academy, scholarly society, or academic association) is an organization
An organization, or organisation (English in the Commonw ...
, 1978
* President of the Permanent Council for the Organization of International Congresses of Phonetic Sciences, 1983–1991
* President,
International Phonetic Association
The International Phonetic Association (IPA; French
French (french: français(e), link=no) may refer to:
* Something of, from, or related to France
France (), officially the French Republic (french: link=no, République française), is a ...

, 1987–1991
* UCLA Research Lecturer 1989
* Fellow of the
American Academy of Arts and Sciences
The American Academy of Arts and Sciences, founded 1780, (abbreviation: AAAS) is one of the oldest learned societies
A learned society (; also known as a learned academy, scholarly society, or academic association) is an organization
...

1990
* UCLA College of Letters and Science Faculty Research Lecturer 1991
* Gold medal, XIIth International Congress of Phonetic Sciences 1991
* Corresponding Fellow of the
British Academy
The British Academy is the United Kingdom's national academy#REDIRECT National academy
A national academy is an organizational body, usually operating with state financial support and approval, that co-ordinates scholarly research
Res ...
1992
* Honorary D.Litt., University of Edinburgh, 1993
* Foreign Member,
Royal Danish Academy of Sciences and Letters
The Royal Danish Academy of Sciences and Letters ( da, Kongelige Danske Videnskabernes Selskab) is a Danish non-governmental national academy for the advancement of science that was founded in 1742. It is based in the Carlsberg Foundation's build ...

, 1993
* Silver medal,
Acoustical Society of America
The Acoustical Society of America (ASA) is an international scientific society founded in 1929 dedicated to generating, disseminating and promoting the knowledge of acoustics
Acoustics is a branch of physics that deals with the study of mechanic ...
1994
* Corresponding Fellow,
Royal Society of Edinburgh
The Royal Society of Edinburgh is Scotland's national academy#REDIRECT National academy
A national academy is an organizational body, usually operating with state financial support and approval, that co-ordinates scholarly research
Re ...
, 2001
* Honorary D.Sc.
Queen Margaret University
Queen Margaret University (formerly Queen Margaret University College and Queen Margaret College) is a university, founded in 1875 and located in Edinburgh, Scotland. It is named after Saint Margaret of Scotland, Saint Margaret, wife of Malcolm I ...

, Edinburgh, 2002
Selected publications
*
Monograph supplement to ''Revista do Laboratório de Fonética Experimental da Faculdade de Letras da Universidade de Coimbra''
(Journal of Experimental Phonetics Laboratory of the Faculty of Arts, University of Coimbra).
* Paperback edition 1971. Translation into Japanese, Taishukan Publishing Company, 1976. Second edition, with added chapters on computational phonetics 1996.
* Reprinted 1968.
*
*
*
* 2nd ed 1982, 3rd ed. 1993, 4th ed. 2001, 5th ed. Boston:
Thomson/Wadsworth
Cengage is an American educational content, technology, and services company for the higher education, K-12, professional, and library markets. It operates in more than 20 countries around the world.(Jun 27, 2014Global Publishing Leaders 2014: Ce ...
2006, 6th ed. 2011 (co-author Keith Johnson) Boston: Wadsworth/Cengage Learning. Japanese translation 2000.
*
* 2001, 2nd ed. 2004.
*
*
*
Works involved in or about
*
George Cukor
George Dewey Cukor (; July 7, 1899 – January 24, 1983) was an American film director
A film director controls a 's artistic and dramatic aspects and visualizes the (or script) while guiding the and s in the fulfilment of that . The ...
(director),
Alan Jay Lerner
Alan Jay Lerner (August 31, 1918 – June 14, 1986) was an American lyricist
A lyricist or lyrist is a songwriter who writes lyrics
Lyrics are word
In linguistics, a word of a spoken language can be defined as the smallest sequence ...
(lyricist): ''
My Fair Lady
''My Fair Lady'' is a musical
Musical is the adjective of music
Music is the of arranging s in time through the of melody, harmony, rhythm, and timbre. It is one of the aspects of all human societies. General include common element ...
''. Motion picture film. (1964).
*
References
External links
*
Peter Ladefoged's home page at UCLA
{{DEFAULTSORT:Ladefoged, Peter
1925 births
2006 deaths
People from Sutton, London
Linguists from the United Kingdom
Linguists from England
Phoneticians
Speech perception researchers
People educated at Haileybury and Imperial Service College
Alumni of the University of Edinburgh
Academics of the University of Edinburgh
University of California, Los Angeles faculty
British expatriates in Nigeria
University of Ibadan people
Linguists of Eskimo–Aleut languages
Linguists of Muskogean languages
Linguistic Society of America presidents
Corresponding Fellows of the British Academy
20th-century linguists
Fellows of the Royal Society of Edinburgh