Sir Edmund Ronald LeachFRAIFBA (7 November 1910 – 6 January 1989) was a Britishsocial anthropologist and academic. He served asprovost ofKing's College, Cambridge from 1966 to 1979. He was also president of theRoyal Anthropological Institute from 1971 to 1975.

Leach was born inSidmouth,Devon, the youngest of three children and the son of William Edmund Leach and Mildred Brierley. His father owned and was manager of a sugar plantation in northernArgentina. In 1940 Leach marriedCelia Joyce who was then a painter and later published poetry and two novels. They had a daughter in 1941 and a son in 1946.

Leach was educated atMarlborough College andClare College, Cambridge, where he graduated with a BA with honours in Engineering in 1932.

After leaving Cambridge University, Leach took a four-year contract in 1933 withButterfield and Swire in China, serving inHong Kong,Shanghai,Chongqing,Qingdao, andBeijing. He found out after his contract expired that he did not like the business atmosphere and never again was going to sit on an office stool. He intended to return to England by way of Russia on the Trans-Siberian Railway, but increasing political turmoil in Russia convinced him otherwise. While in Beijing, Leach had a chance encounter with Kilton Stewart, a psychiatrist, former-Mormon missionary, and published author who invited him on a trip to the island ofBotel Tobago off the coast of Formosa. Before returning to England, Leach spend several months among theYami of that island , taking ethnographic notes and studying local boat design. This work resulted in a 1937 article in the anthropology journalMan.^[3]

He returned to England and studied social anthropology at theLondon School of Economics withRaymond Firth who introduced him toBronisław Malinowski. He was an active member of Malinowski's "famous seminar".^[4] In 1938, Leach went to Iraq (Kurdistan) to study the Kurds, which resulted inSocial and Economic Organization of the Rowanduz Kurds.^[5] However, he abandoned this trip because of theMunich Crisis. He wrote: "I've got an enormous amount of ability at almost anything, yet so far I've made absolutely no use of it... I seem to be a highly organized piece of mental apparatus for which nobody else has any use" (D.N.B. 258).

In 1939 he went to study theKachin in theKachin Hills area of Burma, and over several months master their language while staying at Hpalang. His studies were abruptedly interrupted by the outbreak ofWorld War II, and he lost most of the manuscript material he had gathered during this period. Leach then joined the Burma Army, from the fall of 1939 to summer 1945, where he achieved the rank of Major. During his time in Burma, Leach acquired superior knowledge of Northern Burma and its many hill tribes. He served as commander of the Kachin irregular forces.^[4] This resulted in the publication of the "Jinghpaw Kinship Terminology: An Experiment in Ethnographic Algebra" in 1945.^[6]

After he left the Army in 1946, he returned to theLondon School of Economics to complete his dissertation under the supervision of Raymond Firth. In spring of 1947 he received a PhD in anthropology. His 732-page dissertation was based on his time in Burma and titledCultural change, with special reference to the hill tribes of Burma and Assam.^[7][8] Later that same year, at the request of Sir Charles Arden Clark, the then Governor of Sarawak (then under British Colonial rule) and a referral by Raymond Firth, the British Colonial Social Science Research Council invited Leach to conduct a major survey of the local peoples.^[9] The resulting 1948 report,Social Science Research in Sarawak (later published in 1950), was used as a guide for many well-known subsequent anthropological studies of region. In addition to the report, Leach produced five additional publications from this field work. Upon returning from his fieldwork in Borneo, Leach became a lecturer at LSE.

In 1951, Leach won the Curl Essay Prize^[10] for his essayThe Structural Implications of Matrilateral Cross-Cousin Marriage, which drew on his extensive data on the Kachin to make important theoretical points as it related to kinship theory.^[11]

In 1953, he became a lecturer atCambridge University, and promoted to Reader in 1957.

Along with his wife, Celia, Leach spent a year from 1960 to 1961 at the Center for Advanced Study in the Behavioral Studies in Palo Alto, California. Here he metRoman Jakobson, the Russian linguist, popularizer of Saussurean structural linguistics, and a major influence on the theoretical thinking of Levi-Strauss, leading to his structural anthropology.

In 1972 he received a personal chair. He was electedprovost ofKing's College, Cambridge in 1966 and retired in 1979; President of theRoyal Anthropological Institute (1971–1975); a Fellow of theBritish Academy (from 1972) and wasknighted in 1975.

Leach spanned the gap between Britishstructural-functionalism (exemplified byAlfred Radcliffe-Brown and Malinowski), and French structuralism (exemplified by Levi-Strauss). Despite being a central interpreter of Levi-Strauss' work, producing several introductory works on Levi-Strauss' theoretical perspective, Leach considered himself "at heart, still a 'functionalist'".^[12]

His bookLévi-Strauss was translated into six languages and ran three editions. His turn of phrase produced memorable quotes, such as this on Lévi-Strauss:

"The outstanding characteristic of [Lévi-Strauss's] writing, whether in French or English, is that it is difficult to understand; his sociological theories combine baffling complexity with overwhelming erudition. Some readers even suspect that they are being treated to a confidence trick".^[13]

Leach's work on Lévi-Strauss is often relied on by other authors. For example, inRichard Wrangham's (2009) bookCatching Fire: How Cooking Made Us Human, he relies on Leach in describing Lévi-Strauss's analysis of cooking in relation to human culture.^[14]

Leach's first book wasPolitical Systems of Highland Burma (1954); it challenged the theories of social structure and cultural change. Throughout, Leach was "fiercely critical of generalisations from one society to a narrative about 'politics' in so-called 'primitive societies'".^[15]

His second book wasPul Eliya, a Village in Ceylon (1961), where he directed his attention totheories of kinship as ideal systems. Leach's interest in kinship was first exemplified by his 1951 article (which won the Curl Essay Prize), and it was here that he first cites Levi-Strauss, disagreeing with several aspects of the latter's kinship theory outlined inElementary Structures of Kinship. Leach applied his analysis of kinship to his disagreement with Lévi-Strauss inPul Eliya, introducing Levi-Strauss's work into British social anthropology in doing so.

• Social And Economic Organization of the Rowanduz Kurds (Berg Publishers, 1940)
• Political Systems of Highland Burma: A Study of Kachin Social Structure (Harvard University Press, 1954)
• ed.Aspects of Caste in South India, Ceylon and North-West Pakistan (Cambridge University Press, 1960; revised edition 1971)
• Rethinking Anthropology (Robert Cunningham and Sons Ltd., 1961)
• Pul Eliya: A Village in Ceylon: A Study of Land Tenure and Kinship (Cambridge University Press, 1961)
• Dialectic in Practical Religion (Cambridge University Press, 1968)
• ed.Structural Study of Myth and Totemism (Routledge, 1968)
• A Runaway World? (London: BBC, 1968)
• Genesis as Myth and Other Essays (Jonathan Cape, 1969)
• Lévi-Strauss (Fontana Books, 1970; new edition 1985)
• Claude Lévi-Strauss (Viking Press, 1970; revised edition in 1974; 2nd revised edition 1996)
• Culture and Communication: The Logic by which Symbols Are Connected. An Introduction to the Use of Structuralist Analysis in Social Anthropology (Cambridge University Press, 1976)
• Custom, Law and Terrorist Violence (Edinburgh University Press, 1977)
• ed.The Kula: New Perspectives on Massim Exchange with Jerry W. Leach (Cambridge University Press, 1983)
• Social Anthropology (Oxford University Press, 1982)
• Structuralist Interpretations of Biblical Myth (Cambridge University Press, 1983)
• The Essential Edmund Leach (Anthropology & Society &Culture & Human Nature) ed. by Stephen Hugh-Jones and James Laidlaw (Yale University Press, 2001, 2 vols.)
• ed.Elites in South Asia with S. N. Mukherjee (Cambridge University Press, 2009)

• Tambiah, Stanley J.,Edmund Leach: An Anthropological Life (2002). Cambridge University Press.
• "Leach, Edmund Ronald" Contemporary Authors Vol. 127, Gale Research Inc. 1989.
• "Leach, Sir Edmund Ronald" Dictionary of National Biography 1986–1990. Oxford University Press 1996.
• "Leach, Edmund Ronald" International Dictionary of Anthropologists. Garland Publishing 1991.
• Leach, Edmund R.Glimpses of the Unmentionable in the History of British Social Anthropology. Annual Review of Anthropology, Vol. 13. 1984.

• Biography at Minnesota State University website
• Interview of Edmund Leach by Frank Kermode in 1982 (film)
• Chapter 1 of Tambiah, Stanley (2002) "Edmund Leach: An Anthropological Life" Cambridge University Press, CambridgeAccessed 5 May 2010
• King's College, Cambridge Repository: Papers of Edmund Ronald LeachAccessed 5 May 2010
• The Reith Lectures - Edmund Leach: A Runaway World: 1967

• Alumni of Clare College, Cambridge
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• 20th-century British anthropologists
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