# Hadyn Ellis

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{{Short description|Welsh psychologist}}
{{Infobox scientist
| honorific_prefix   = [Professor](/source/Professor)
| name          = Hadyn Ellis
| honorific_suffix   = {{postnominals|country=GBR|size=100%|CBE}}<ref>{{cite web|url=https://news.bbc.co.uk/2/hi/uk_news/education/3799843.stm |title=UK &#124; Education &#124; Teachers win top honours |work=BBC News |date=11 June 2004 |access-date=24 November 2015}}</ref>
|image             =
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|birth_name        = Hadyn Douglas Ellis
|birth_date        = {{Birth date|1945|10|25|df=y}}
|birth_place       = [Newport](/source/Newport%2C_Wales), Wales
|death_date        = {{death date and age|2006|11|2|1945|10|25|df=y}}
|death_place       = [Cardiff](/source/Cardiff), Wales
|residence         =
|citizenship       = [United Kingdom](/source/United_Kingdom)
|ethnicity         =
|field             = [Psychology](/source/Psychology)
|work_institutions = [Cardiff University](/source/Cardiff_University), [University of Aberdeen](/source/University_of_Aberdeen)
|alma_mater        =
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|notable_students  =
|known_for         = [Face perception](/source/Face_perception), [Capgras delusion](/source/Capgras_delusion)
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}}

'''Hadyn Douglas Ellis''' (25 October 1945 – 2 November 2006)<ref>[https://www.cardiff.ac.uk/obituaries/obituary/hadyn-ellis Professor Hadyn Ellis]</ref> was a [Welsh](/source/Wales) [psychologist](/source/psychologist) who was influential in the field of [face processing](/source/Face_perception) and who had some 160 publications to his name.<ref>{{cite web |url=http://www.cardiff.ac.uk/for/staff/obituaries/profiles/ellis-hadyn.html |title=Professor Hadyn Ellis CBE DSc (1945-2006) |publisher=Cardiff.ac.uk |date= |accessdate=24 November 2015 |archive-date=23 September 2013 |archive-url=https://web.archive.org/web/20130923080316/http://www.cardiff.ac.uk/for/staff/obituaries/profiles/ellis-hadyn.html |url-status=dead }}</ref><ref>{{Cite web|url=https://scholar.google.co.uk/citations?user=8o6e_P0AAAAJ|title=Hadyn Ellis - Google Scholar Citations|website=scholar.google.co.uk|access-date=2017-05-03}}</ref>

For the largest part of his career he worked at [Cardiff University](/source/Cardiff_University), where he became pro-vice chancellor for research in 1994. He also made significant contributions to research strategy at the [ESRC](/source/ESRC).

His research into face perception had significant contribution to [eyewitness](/source/Eyewitness_memory) [testimony](/source/testimony)<ref>{{cite web|url=https://www.ncjrs.gov/App/Publications/abstract.aspx?ID=92091 |title=NCJRS Abstract - National Criminal Justice Reference Service |publisher=Ncjrs.gov |date= |accessdate=24 November 2015}}</ref> and also the understanding of delusions of misidentification such as [Capgras delusion](/source/Capgras_delusion).<ref>{{cite journal | doi=10.1016/S1364-6613(00)01620-X | pmid=11287268 | volume=5 | issue=4 | title=Capgras delusion: a window on face recognition | journal=Trends in Cognitive Sciences | pages=149–156| year=2001 | last1=Ellis | first1=Hadyn D. | last2=Lewis | first2=Michael B. | s2cid=14058637 }}</ref> Ellis is also considered to be the person who coined the term [cognitive neuropsychiatry](/source/cognitive_neuropsychiatry).

During his career he also wrote many books, including ''Validation in Psychology: Research Perspectives''<ref>{{Cite book |isbn = 978-0765806475|title = Validation in Psychology|last1 = Ellis|first1 = Hadyn|last2 = MacRae|first2 = Neil|year = 2001}}</ref> and ''Perceiving and Remembering Faces''.<ref>{{Cite book |isbn = 978-0122062209|title = Perceiving and remembering faces|last1 = Davies|first1 = Graham|year = 1981}}</ref>

After his death from [bowel cancer](/source/bowel_cancer), Cardiff University recognised his contribution to science and the university by naming a building in his honor.<ref>{{cite web|url=http://medicine.cf.ac.uk/place/hadyn-ellis-building-cathays-park/ |title=School of Medicine |publisher=Medicine.cf.ac.uk |date=30 July 2013 |accessdate=24 November 2015}}</ref> Additionally, the Hadyn Ellis Prize is awarded annually to research students at Cardiff University for the best PhD dissertation, previous winners of which have been Joseph Sweetman<ref>{{cite web|url=http://psychology.exeter.ac.uk/staff/index.php?web_id=Joseph_Sweetman |title=Staff profiles - Psychology - University of Exeter |publisher=Psychology.exeter.ac.uk |date= |accessdate=24 November 2015}}</ref> and Georgie Powell.<ref>http://sites.cardiff.ac.uk%2Fwarc%2Ffiles%2F2014%2F06%2F5-year-plan-2014-2019.doc&usg=AFQjCNHngHKZjCFA9qCcgPGcdKTOGoZKzg&bvm=bv.108194040,d.ZWU{{Dead link|date=January 2020 |bot=InternetArchiveBot |fix-attempted=yes }}</ref>{{clarify|date=November 2015}}

==References==
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{{Psychology|state=collapsed}}
{{Authority control}}

{{DEFAULTSORT:Ellis, Hadyn}}
Category:Academics of Cardiff University
Category:1945 births
Category:Commanders of the Order of the British Empire
Category:2006 deaths
Category:20th-century British psychologists
Category:Deaths from cancer in Wales
Category:Deaths from colorectal cancer in the United Kingdom

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Adapted from the Wikipedia article [Hadyn Ellis](https://en.wikipedia.org/wiki/Hadyn_Ellis) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Hadyn_Ellis?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.