Robin Dunbar

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Professor Robin Dunbar
Robin Dunbar (6293027302).jpg
Robin Dunbar portrait by Cirone-Musi via Festival della Scienza
Born Robin Ian MacDonald Dunbar
(1947-06-28) 28 June 1947 (age 67)[1]
Nationality British
Fields Anthropology
Evolutionary Psychology[2]
Institutions University of Bristol
Stockholm University
University of Cambridge
University of Oxford
University College London
University of Liverpool
Alma mater University of Bristol (PhD)
Magdalen College, Oxford
(BA, MA)
Thesis The social organisation of the gelada baboon (Theropithecus gelada) (1974)
Known for Dunbar's number[3][4][5]
Baboon research[6][7][8]
Notable awards FBA (1998)
PhD (1974)[9]
Spouse Eva Patricia Dunbar (née Melvin)[1][8]

Robin Ian MacDonald Dunbar (born 28 June 1947)[10][11] is a British anthropologist and evolutionary psychologist and a specialist in primate behaviour.[12][13][14][15][16][17][18][19][20][21] He is currently head of the Social and Evolutionary Neuroscience Research Group in the Department of Experimental Psychology at the University of Oxford and is best known for formulating Dunbar's number,[5] a measurement of the "cognitive limit to the number of individuals with whom any one person can maintain stable relationships".[22][23][24][25][26]


Dunbar, son of an engineer, was educated at Magdalen College School, Brackley.[1] He then went onto Magdalen College, Oxford,[1] where his teachers included Nico Tinbergen and completed his Bachelor of Arts in Psychology and Philosophy in 1969.[1] Dunbar then went onto the Department of Psychology of the University of Bristol and completed his PhD in 1974 on the social organisation of the gelada baboon Theropithecus gelada.[9]

He spent two years as a freelance science writer.[11]

Academic career[edit]

Dunbar's academic and research career includes the University of Bristol,[8] University of Cambridge from 1977 until 1982, and University College London from 1987 until 1994. In 1994, Dunbar became Professor of Evolutionary Psychology at University of Liverpool, but he left Liverpool in 2007 to take up the post of Director of the Institute of Cognitive and Evolutionary Anthropology, University of Oxford.[10][27]

Dunbar was formerly co-director of the British Academy Centenary Research Project (BACRP) "From Lucy to Language: The Archaeology of the Social Brain" and was involved in the BACRP "Identifying the Universal Religious Repertoire".

Digital versions of selected published articles authored or co-authored by him are available from the University of Liverpool Evolutionary Psychology and Behavioural Ecology Research Group.

In 2014, Dunbar was awarded the Huxley Memorial Medal, established in 1900 in memory of Thomas Henry Huxley, for services to anthropology by the Council of the Royal Anthropological Institute of Great Britain and Ireland, the highest honour at the disposal of the RAI. Dunbar is also a British Humanist Association Distinguished Supporter of Humanism.

Awards and honours[edit]


  1. ^ a b c d e "DUNBAR, Prof. Robin Ian MacDonald". Who's Who 2013, A & C Black, an imprint of Bloomsbury Publishing plc, 2013; online edn, Oxford University Press. (subscription required)
  2. ^ Opie, C.; Atkinson, Q. D.; Dunbar, R. I. M.; Shultz, S. (2013). "Male infanticide leads to social monogamy in primates". Proceedings of the National Academy of Sciences. doi:10.1073/pnas.1307903110.  edit
  3. ^ Dunbar, R. I. M. (1992). "Neocortex size as a constraint on group size in primates". Journal of Human Evolution 22 (6): 469–493. doi:10.1016/0047-2484(92)90081-J.  edit
  4. ^ Hill, R. A.; Dunbar, R. I. M. (2003). "Social network size in humans". Human Nature 14: 53. doi:10.1007/s12110-003-1016-y.  edit
  5. ^ a b Dunbar, Robin I. M. (2010). How many friends does one person need?: Dunbar's number and other evolutionary quirks. London: Faber and Faber. ISBN 0-571-25342-3. 
  6. ^ Barrett, L.; Dunbar, R. I. M.; Dunbar, P. (1995). "Mother-infant contact as contingent behaviour in gelada baboons". Animal Behaviour 49 (3): 805. doi:10.1016/0003-3472(95)80211-8.  edit
  7. ^ Dunbar, R. I. M. (1980). "Determinants and evolutionary consequences of dominance among female gelada baboons". Behavioral Ecology and Sociobiology 7 (4): 253–265. doi:10.1007/BF00300665.  edit
  8. ^ a b c Dunbar, R. I. M.; Dunbar, E. P. (1977). "Dominance and reproductive success among female gelada baboons". Nature 266 (5600): 351–352. doi:10.1038/266351a0. PMID 404565.  edit
  9. ^ a b Dunbar, Robin Ian MacDonald (1974). The social organisation of the gelada baboon (Theropithecus gelada) (PhD thesis). University of Bristol. (subscription required)
  10. ^ a b "British Academy Fellows Archive". British Academy. Retrieved 2007-12-02. 
  11. ^ a b c "Professor Robin Dunbar FBA". British Humanist Association. Retrieved 2007-12-02. [dead link]
  12. ^ Shultz, S.; Dunbar, R. (2010). "Encephalization is not a universal macroevolutionary phenomenon in mammals but is associated with sociality". Proceedings of the National Academy of Sciences 107 (50): 21582–21586. doi:10.1073/pnas.1005246107. PMC 3003036. PMID 21098277.  edit
  13. ^ Hill, R. A.; Bentley, R. A.; Dunbar, R. I. M. (2008). "Network scaling reveals consistent fractal pattern in hierarchical mammalian societies". Biology Letters 4 (6): 748–751. doi:10.1098/rsbl.2008.0393. PMC 2614163. PMID 18765349.  edit
  14. ^ Dunbar, R. I. M. (2007). "Male and female brain evolution is subject to contrasting selection pressures in primates". BMC Biology 5: 21. doi:10.1186/1741-7007-5-21. PMC 1876205. PMID 17493267.  edit
  15. ^ Dunbar, R. I. M. (1995). "The price of being at the top". Nature 373 (6509): 22–23. doi:10.1038/373022a0. PMID 7800033.  edit
  16. ^ Dunbar, R. (1997). "The monkeys' defence alliance". Nature 386 (6625): 555–550. doi:10.1038/386555a0. PMID 9121575.  edit
  17. ^ Dunbar, R. I. M.; Pawlowski, B.; Lipowicz, A. (2000). "Tall men have more reproductive success". Nature 403 (6766): 156. doi:10.1038/35003107. PMID 10646589.  edit
  18. ^ Dunbar, R. I. M. (2001). "Evolutionary biology: What's in a baboon's behind?". Nature 410 (6825): 158. doi:10.1038/35065773. PMID 11258375.  edit
  19. ^ Dunbar, R. (2003). "PSYCHOLOGY: Evolution of the Social Brain". Science 302 (5648): 1160–1161. doi:10.1126/science.1092116. PMID 14615522.  edit
  20. ^ Dunbar, R. I. M.; Shultz, S. (2007). "Evolution in the Social Brain". Science 317 (5843): 1344–1347. doi:10.1126/science.1145463. PMID 17823343.  edit
  21. ^ Shultz, S.; Dunbar, R. (2010). "Encephalization is not a universal macroevolutionary phenomenon in mammals but is associated with sociality". Proceedings of the National Academy of Sciences 107 (50): 21582–21586. doi:10.1073/pnas.1005246107. PMC 3003036. PMID 21098277.  edit
  22. ^ Malcolm Gladwell (17 June 2007). "Dunbar’s Number". scottweisbrod. Retrieved 2007-12-02. 
  23. ^ Robin Dunbar in Google Scholar
  24. ^ List of publications from Microsoft Academic Search
  25. ^ Robin Dunbar from the Scopus bibliographic database.
  26. ^ Professor Robin Dunbar at the Internet Movie Database
  27. ^ "Prof. Robin Dunbar FBA". Archived from the original on 2007-11-04. Retrieved 2007-12-02. 
  28. ^ "Faculty of Science". Retrieved 2007-12-02. 

Published books[edit]

External links[edit]