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Warwick Estevam Kerr (9 September 1922 – 15 September 2018) was a Brazilian
agricultural engineer Agricultural engineering, also known as agricultural and biosystems engineering, is the field of study and application of engineering science and designs principles for agriculture purposes, combining the various disciplines of mechanical enginee ...
,
geneticist A geneticist is a biologist or physician who studies genetics, the science of genes, heredity, and variation of organisms. A geneticist can be employed as a scientist or a lecturer. Geneticists may perform general research on genetic processe ...
,
entomologist Entomology () is the scientific study of insects, a branch of zoology. In the past the term "insect" was less specific, and historically the definition of entomology would also include the study of animals in other arthropod groups, such as arach ...
,
professor Professor (commonly abbreviated as Prof.) is an Academy, academic rank at university, universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who pr ...
and scientific leader, notable for his discoveries in the
genetics Genetics is the study of genes, genetic variation, and heredity in organisms.Hartl D, Jones E (2005) It is an important branch in biology because heredity is vital to organisms' evolution. Gregor Mendel, a Moravian Augustinian friar wor ...
and sex determination of
bee Bees are winged insects closely related to wasps and ants, known for their roles in pollination and, in the case of the best-known bee species, the western honey bee, for producing honey. Bees are a monophyly, monophyletic lineage within the ...
s. The
Africanized bee The Africanized bee, also known as the Africanized honey bee and known colloquially as the "killer bee", is a hybrid of the western honey bee (''Apis mellifera''), produced originally by crossbreeding of the East African lowland honey bee (''A. ...
in the western hemisphere is directly descended from 26 Tanzanian queen bees ( ''Apis mellifera scutellata'') accidentally released by a replacement bee-keeper in 1957 in
Rio Claro, São Paulo Rio Claro is a city in the state of São Paulo in Brazil. The elevation is 613 m. It was incorporated as the village of '' São João Batista do Ribeirão Claro'' in 1827, and this incorporation is celebrated every year on June 24 as a municipal h ...
in the southeast of
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
from hives operated by Kerr, who had interbred honey bees from Europe and
southern Africa Southern Africa is the southernmost subregion of the African continent, south of the Congo and Tanzania. The physical location is the large part of Africa to the south of the extensive Congo River basin. Southern Africa is home to a number of ...
.


Biography

Kerr was born in 1922 in
Santana do Parnaíba Santana may refer to: Transportation * Volkswagen Santana, an automobile * Santana Cycles, manufacturer of tandem bicycles * Santana Motors, a former Spanish automobile manufacturer Boats * Santana 20, an American sailboat design by W. D. Schoc ...
,
São Paulo São Paulo (, ; Portuguese for 'Saint Paul') is the most populous city in Brazil, and is the capital of the state of São Paulo, the most populous and wealthiest Brazilian state, located in the country's Southeast Region. Listed by the GaWC a ...
,
Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, the son of Américo Caldas Kerr and Bárbara Chaves Kerr. The Kerr family immigrated by way of the United States. His family is originally from
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to the ...
. The family moved to
Pirapora do Bom Jesus Pirapora do Bom Jesus is a municipality in the state of São Paulo in Brazil. It is part of the Metropolitan Region of São Paulo. The population is 19,178 (2020 est.) in an area of 108.49 km². The name ''Pirapora'' comes from the Tupi langua ...
, São Paulo, in 1925. He attended secondary school and the preparatory course at the
Mackenzie Mackenzie, Mckenzie, MacKenzie, or McKenzie may refer to: People * Mackenzie (given name), a given name (including a list of people with the name) * Mackenzie (surname), a surname (including a list of people with the name) * Clan Mackenzie, a Sco ...
in São Paulo and subsequently was admitted to the Escola Superior de Agricultura Luiz de Queiroz of the
University of São Paulo The University of São Paulo ( pt, Universidade de São Paulo, USP) is a public university in the Brazilian state of São Paulo. It is the largest Brazilian public university and the country's most prestigious educational institution, the best ...
, at
Piracicaba Piracicaba ( or ) is a city located in the Brazilian state of São Paulo. The population is 407,252 (2020) in an area of 1378.07 km². It is at an elevation of 547 m above sea level. Name The place name comes from a word in the Tupi langua ...
, São Paulo, where he graduated as agricultural engineer. From March 1975 to April 1979, Kerr moved to
Manaus Manaus () is the capital and largest city of the Brazilian state of Amazonas. It is the seventh-largest city in Brazil, with an estimated 2020 population of 2,219,580 distributed over a land area of about . Located at the east center of the s ...
, Amazonas, as director of the National Institute of Amazonia Research (INPA), a research institute of the
National Council of Scientific and Technological Development The Brazilian National Council for Scientific and Technological Development (CNPq, pt, Conselho Nacional de Desenvolvimento Científico e Tecnológico, earlier ) is an organization of the Brazilian federal government under the Ministry of Scienc ...
(CNPq). He officially retired from the University of São Paulo in January 1981, but not from scientific life. Exactly eleven days later he accepted a position as Full Professor at the Universidade Estadual do Maranhão in São Luís, state of
Maranhão Maranhão () is a state in Brazil. Located in the country's Northeast Region, it has a population of about 7 million and an area of . Clockwise from north, it borders on the Atlantic Ocean for 2,243 km and the states of Piauí, Tocantins and ...
, where he became responsible for creating the Department of Biology; and, for a short period (1987–1988) served also as Dean of the university. He moved to the
Universidade Federal de Uberlândia The Universiade is an international multi-sport event, organized for university athletes by the International University Sports Federation (FISU). The name is a portmanteau of the words "University" and "Olympiad". The Universiade is referred t ...
, in
Uberlândia Uberlândia () is a municipality in the state of Minas Gerais, southeastern Brazil. It is the second largest municipality in the state of Minas Gerais after the state capital Belo Horizonte. Its population in 2020 was 699,097, making it the fou ...
, state of
Minas Gerais Minas Gerais () is a state in Southeastern Brazil. It ranks as the second most populous, the third by gross domestic product (GDP), and the fourth largest by area in the country. The state's capital and largest city, Belo Horizonte (literally ...
, in February 1988, as a professor of genetics.


Scientific contributions

His scientific life began in Piracicaba, where he received his doctorate (D.Sc.) and later was an assistant professor. In 1951, he did postdoctoral studies as a visiting professor at the
University of California at Davis The University of California, Davis (UC Davis, UCD, or Davis) is a public land-grant research university near Davis, California. Named a Public Ivy, it is the northernmost of the ten campuses of the University of California system. The institut ...
and, in 1952, at
Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...
, where he studied with the famous geneticist
Theodosius Dobzhansky Theodosius Grigorievich Dobzhansky (russian: Феодо́сий Григо́рьевич Добржа́нский; uk, Теодо́сій Григо́рович Добржа́нський; January 25, 1900 – December 18, 1975) was a prominent ...
. In 1958, he was invited by Professor Dias da Silveira to assist in organizing the Department of
Biology Biology is the scientific study of life. It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. For instance, all organisms are made up of cells that process hereditary i ...
at the Faculdade de Ciências do Rio Claro, of the recently created State University of São Paulo UNESP, in the city of
Rio Claro Rio Claro (Portuguese and Spanish for "clear river" or "clean river") may refer to: Cities *Rio Claro, Trinidad and Tobago, the largest town in southeastern Trinidad and Tobago *Rio Claro, Rio de Janeiro, a Brazilian municipality in the state of R ...
, where he stayed until 1964, directing a research group on the genetics of
bee Bees are winged insects closely related to wasps and ants, known for their roles in pollination and, in the case of the best-known bee species, the western honey bee, for producing honey. Bees are a monophyly, monophyletic lineage within the ...
s, his main field of specialization. From 1962 to 1964, he served as the Scientific Director to organize the recently created São Paulo State Research Foundation (FAPESP). In December 1964, he accepted the position of Full Professor of Genetics at the Faculty of Medicine of Ribeirão Preto of the University of São Paulo, during the creation of a new Department of Genetics. In this capacity, Kerr was able to establish a research center of excellence, particularly in the areas of entomological genetics and
human genetics Human genetics is the study of inheritance as it occurs in human beings. Human genetics encompasses a variety of overlapping fields including: classical genetics, cytogenetics, molecular genetics, biochemical genetics, genomics, population gene ...
, and which trained many masters and doctoral students. The department included a new research and teaching area, that of
mathematical biology Mathematical and theoretical biology, or biomathematics, is a branch of biology which employs theoretical analysis, mathematical models and abstractions of the living organisms to investigate the principles that govern the structure, development a ...
and
biostatistics Biostatistics (also known as biometry) are the development and application of statistical methods to a wide range of topics in biology. It encompasses the design of biological experiments, the collection and analysis of data from those experime ...
; and was a pioneer in the use of
computer A computer is a machine that can be programmed to Execution (computing), carry out sequences of arithmetic or logical operations (computation) automatically. Modern digital electronic computers can perform generic sets of operations known as C ...
s in biology and medicine, particularly for genetics applied to
animal husbandry Animal husbandry is the branch of agriculture concerned with animals that are raised for meat, fibre, milk, or other products. It includes day-to-day care, selective breeding, and the raising of livestock. Husbandry has a long history, starti ...
. In all these positions he never stopped his research on
Meliponini Stingless bees, sometimes called stingless honey bees or simply meliponines, are a large group of bees (about 550 described species), comprising the tribe Meliponini (or subtribe Meliponina according to other authors). They belong in the family A ...
, especially the genus ''
Melipona ''Melipona'' is a genus of stingless bees, widespread in warm areas of the Neotropics, from Sinaloa and Tamaulipas (México) to Tucumán and Misiones (Argentina). About 70 species are known.Grüter, C. 2020. ''Stingless Bees: Their Behaviour, Ec ...
'', which is a genus of
Neotropical The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In bioge ...
bees that are frequently subject to the predatory action of wild honey gatherers (''meleiros'' in
Portuguese Portuguese may refer to: * anything of, from, or related to the country and nation of Portugal ** Portuguese cuisine, traditional foods ** Portuguese language, a Romance language *** Portuguese dialects, variants of the Portuguese language ** Portu ...
). Kerr became well known for his research on the
hybridization Hybridization (or hybridisation) may refer to: *Hybridization (biology), the process of combining different varieties of organisms to create a hybrid *Orbital hybridization, in chemistry, the mixing of atomic orbitals into new hybrid orbitals *Nu ...
of the
African bee The East African lowland honey bee (''Apis mellifera scutellata'') is a subspecies of the western honey bee. It is native to central, southern and eastern Africa, though at the southern extreme it is replaced by the Cape honey bee (''Apis mellife ...
and the
Italian bee ''Apis mellifera ligustica'' is the Italian bee which is a subspecies of the western honey bee (''Apis mellifera''). Origin The Italian honey bee is thought to originate from the continental part of Italy, south of the Alps, and north of Sicily ...
(''Apis mellifera ligustica''). Kerr has 620 publications on various subjects. Apart from being a member of the
Brazilian Academy of Sciences The Brazilian Academy of Sciences ( pt, italic=yes, Academia Brasileira de Ciências or ''ABC'') is the national academy of Brazil. It is headquartered in the city of Rio de Janeiro and was founded on May 3, 1916. Publications It publishes a lar ...
, he was also a Foreign Associate of the
National Academy of Sciences The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the Nati ...
of the US, and of the
Third World Academy of Sciences The World Academy of Sciences (TWAS) is a merit-based science academy established for developing countries, uniting 1,000 scientists in some 70 countries. Its principal aim is to promote scientific capacity and excellence for sustainable devel ...
. He was admitted by President
Itamar Franco Itamar Augusto Cautiero Franco (; 28 June 19302 July 2011) was a Brazilian politician who served as the 33rd president of Brazil from 29 December 1992 to 31 December 1994. Previously, he was the 21st vice president of Brazil from 1990 until the ...
to the
National Order of Scientific Merit The National Order of Scientific Merit ( pt, Ordem Nacional do Mérito Científico) is an honor bestowed upon Brazilian and foreign personalities recognized for their scientific and technical contributions to the cause and development of science in ...
at the Grã-Cruz class in 1994.


Selected papers

* * * * *


Sources


Bad Bee Keeping BlogFundação Getulio Vargas: Warwick E. Kerr



Brazilian Journal of History


References

{{DEFAULTSORT:Kerr, Warwick Estevam 1922 births 2018 deaths Brazilian geneticists Brazilian biologists Brazilian agronomists Brazilian entomologists Brazilian beekeepers Brazilian people of Scottish descent Theoretical biologists Members of the Brazilian Academy of Sciences Foreign associates of the National Academy of Sciences Recipients of the Great Cross of the National Order of Scientific Merit (Brazil) People from São Paulo (state) University of São Paulo alumni Brazilian people of American descent