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American geneticist (1889–1988)
Sewall Green Wright ForMemRS HonFRSE (December 21, 1889 – March 3, 1988) was an American geneticist known for his influential work on evolutionary theory
Sewall_Wright
Concept in genetics
frequency of one allele is assigned p and the other q. The Wright–Fisher model (named after Sewall Wright and Ronald Fisher) assumes that generations do not overlap
Genetic_drift
Award given annually by the American Society of Naturalists
Conceptual Unification of the Biological Sciences, previously known as the Sewall Wright Award, is given annually by the American Society of Naturalists to a
Sewall_Wright_Award
and clarifies the relationship between the two. According to Ishida, Sewall Wright's isolation by distance theory is termed ecological isolation by distance
Isolation_by_distance
American economist
earliest works. Wright was the father of geneticist Sewall Wright. Wright was born in Boston, Massachusetts, in 1861 to John Seward Wright and Mary Clark
Philip_Green_Wright
Measure of biological relationship between individuals
two individuals. The term coefficient of relationship was defined by Sewall Wright in 1922, and was derived from his definition of the coefficient of inbreeding
Coefficient_of_relationship
English mathematical biologist
he received the Weldon Memorial Prize. In 2018, he was awarded the Sewall Wright Award from the American Society of Naturalists. "John McNamara". Royal
John McNamara (mathematical biologist)
John_McNamara_(mathematical_biologist)
Fusion of natural selection with Mendelian inheritance
adequate explanation of how such forms evolved. The population geneticist Sewall Wright focused on combinations of genes that interacted as complexes, and the
Modern synthesis (20th century)
Modern_synthesis_(20th_century)
Ecological concept
the field of population genetics in 1931 by the American geneticist Sewall Wright. Some versions of the effective population size are used in wildlife
Effective_population_size
British polymath (1890–1962)
founded quantitative genetics, and, together with J. B. S. Haldane and Sewall Wright, is known as one of the three principal founders of population genetics
Ronald_Fisher
American suffragist (1844–1920)
May Wright Sewall (née Mary Eliza Wright; May 27, 1844 – July 22, 1920) was an American reformer, who was known for her service to the causes of education
May_Wright_Sewall
Branch of animal science
recently molecular genetics and is based on the pioneering work of Sewall Wright, Jay Lush, and Charles Henderson. Breeding stock is a group of animals
Animal_breeding
Subfield of genetics
emergence of the modern evolutionary synthesis. Its primary founders were Sewall Wright, J. B. S. Haldane and Ronald Fisher, who also laid the foundations for
Population_genetics
Loss of genetic variation in a new population
Ernst Mayr in 1942, using existing theoretical work by those such as Sewall Wright. As a result of the loss of genetic variation, the new population may
Founder_effect
Married couple of British evolutionary biologists
Theodosius Dobzhansky (1950) 1951–1975 Paul Christoph Mangelsdorf (1951) Sewall Wright (1952) Lewis Stadler (1953) Milislav Demerec (1954) Kenneth V. Thimann
Peter_and_Rosemary_Grant
integrated with natural selection by Ronald Fisher, J. B. S. Haldane, and Sewall Wright during the 1910s to 1930s, and resulted in the founding of the new discipline
History of evolutionary thought
History_of_evolutionary_thought
Model used to visualise relationship between genotypes and reproductive success
distribution of fitness values as a kind of landscape was first introduced by Sewall Wright in 1932. In evolutionary optimization problems, fitness landscapes are
Fitness_landscape
Domesticated rodent from South America
behind that of other rodents, although geneticists W. E. Castle and Sewall Wright made some contributions to this area of study, especially regarding
Guinea_pig
American behavior geneticist
where he studied under renowned scholar of genetics and evolution, Sewall Wright. Scott's first academic position was at Wabash College, where he chaired
John_Paul_Scott_(geneticist)
Congenital first branchial arch defect
internal organs) Cardiac anomalies Ambiguous genitalia Absence of glands Sewall Wright described twelve grades of otocephaly in guinea pigs. Grades 1 to 5
Otocephaly
Indicator for how well data points fit a line or curve
coefficient of determination has been attributed to the geneticist Sewall Wright and was first published in 1921. Anscombe's quartet Fraction of variance
Coefficient_of_determination
2018 book by Judea Pearl and Dana Mackenzie
diagrams is then introduced through the explanations of the work of Sewall Wright. Chapter 3 provides an introduction to Bayes' Theorem. Then Bayesian
The_Book_of_Why
American zoologist
of America, 1983 Elected to The National Academy of Sciences, 1986 Sewall Wright Award, 1996 American Society of Naturalists Honorary Lifetime Membership
Robert_T._Paine_(zoologist)
Form of causal modeling that fit networks of constructs to data
(SEM) began differentiating itself from correlation and regression when Sewall Wright provided explicit causal interpretations for a set of regression-style
Structural_equation_modeling
View that mind is a ubiquitous feature of reality
the notion of ontopoetics as a version of panpsychism. The geneticist Sewall Wright endorsed a version of panpsychism. He believed that consciousness is
Panpsychism
American historian (1942–2015)
genetics in his biography of Sewall Wright, who was still alive and available for interviews. In this book, Provine criticizes Wright for confounding three different
William_B._Provine
Canadian scientist
MacArthur Fellow. In 2015 the American Society of Naturalists gave her the Sewall Wright Award for fundamental contributions to the unification of biology. In
Sarah_Otto
One version of the theory of evolution
shifting balance theory is a theory of evolution proposed in 1932 by Sewall Wright, suggesting that adaptive evolution may proceed most quickly when a
Shifting_balance_theory
Estimation of effect of genetic variation on phenotypic variation of a trait
estimation of heritability. One school of thought was developed by Sewall Wright at The University of Chicago, and further popularized by C. C. Li (University
Heritability
Significance of the peppered moth in evolutionary biology
it remains a classic example in the teaching of evolution. In 1978, Sewall Wright described it as "the clearest case in which a conspicuous evolutionary
Peppered_moth_evolution
Evolutionary process
Researchers can sometimes test this through a reciprocal transplant. Sewall Wright proposed that populations occupy adaptive peaks on a fitness landscape
Adaptation
Directed graph that models causal relationships between variables
and selection bias. Causal graphs were first used by the geneticist Sewall Wright under the rubric "path diagrams". They were later adopted by social
Causal_graph
1931 scientific paper by Sewall Wright
American population geneticist Sewall Wright. The paper was first published in Genetics volume 16, pages 97–159. In it, Wright outlines various concepts,
Evolution in Mendelian Populations
Evolution_in_Mendelian_Populations
Japanese biologist (1924–1994)
trio of the modern synthesis, Ronald Fisher, J. B. S. Haldane, and Sewall Wright. Kimura was born on November 13, 1924, in Okazaki, Aichi Prefecture
Motoo_Kimura
1966—Edward F. Knipling, Fritz Albert Lipmann, William Cumming Rose, Sewall Wright 1967—Kenneth Stewart Cole, Harry Harlow, Michael Heidelberger, Alfred
List of National Medal of Science laureates
List_of_National_Medal_of_Science_laureates
Surname
Scooby Wright (born 1994), American football player Seaborn Wright, American politician Selwyn Wright (1934–2015), English physicist Sewall Wright (1889–1988)
Wright
genetics is described in the Wright-Fisher model after Sewall Wright and Ronald Fisher (1922, 1930) and (1931). Wright-Fisher populations have constant
Idealised_population
Geneticist and evolutionary biologist (1892–1964)
a series of scientific conferences. At the University of Wisconsin, Sewall Wright introduced him before his speech, noting many of Haldane's achievements
J._B._S._Haldane
American evolutionary biologist
Naturalist Award in 2009, the Daniel Giraud Elliot Medal in 2012, the Sewall Wright Award in 2019, and the Friend of Darwin Award in 2024. Losos is a Fellow
Jonathan_Losos
Study of the inheritance of continuously variable traits
to overlook that random fertilization includes self-fertilization. Sewall Wright showed that a proportion 1/N of random fertilizations is actually self
Quantitative_genetics
American geneticist
survival, resistance to diseases), using the classical threshold model of Sewall Wright. Subsequently, he pioneered the use of Bayesian methodologies and Monte
Daniel_Gianola
Study of the evolution of life
B. Ford established an empirical research programme. Ronald Fisher, Sewall Wright, and J. B. S. Haldane created a sound theoretical framework. Ernst Mayr
Evolutionary_biology
Stock character in film
Aquinas, Isaac Newton, Adam Smith, André-Marie Ampère, Jacques Hadamard, Sewall Wright, Nikola Tesla, Norbert Wiener, Archimedes, Pierre Curie and Albert Einstein
Absent-minded_professor
Russian-American geneticist and evolutionary biologist (1900–1975)
Dobzhansky's work in the field of evolutionary genetics, with the help of Sewall Wright, integrated standards of the theoretical, natural historical, and experimental
Theodosius_Dobzhansky
American ornithologist (1943–2026)
2003: Margaret Morse Nice Medal, Wilson Ornithological Society 2005: Sewall Wright Award, American Society of Naturalists 2006: Love and Alden Miller Research
Robert_Ricklefs
American evolutionary biologist and mathematician (1929–2021)
member of the National Academy of Sciences (resigned in 1972) 1994: Sewall Wright Award from the American Society of Naturalists 2015: Crafoord Prize
Richard_Lewontin
Surname list
businessman and politician from Maine May Wright Sewall (1844–1920), American feminist, educator, and lecturer Richard B. Sewall (1908–2003), American professor
Sewall
One gene variant masking the effect of another in the other copy of the gene
through the contribution of modifier genes. In 1929, American geneticist Sewall Wright responded by stating that dominance is simply a physiological consequence
Dominance_(genetics)
Academic field within biology
Louis Pasteur M. S. Swaminathan Jethro Tull Artturi Ilmari Virtanen Sewall Wright Agricultural biotechnology Agricultural chemistry Agricultural diversification
Agricultural_science
Canadian evolutionary biologist
Lawson Medal for lifetime achievement in botany. In 2008 he received the Sewall Wright Award from the American Society of Naturalists. In 2014, he received
Spencer Barrett (evolutionary biologist)
Spencer_Barrett_(evolutionary_biologist)
Statistically expected level of heterozygosity in a population
F-statistics was developed during the 1920s by the American geneticist Sewall Wright, who was interested in inbreeding in cattle. However, because complete
F-statistics
Canadian professor
Society of Canada. The American Society of Naturalists awarded him the Sewall Wright Award in 2007. In 2012, he was made International Honorary Member of
Dolph_Schluter
Biologist
papers in peer-reviewed scientific journals. In 2000, Slatkin won the Sewall Wright Award and is on the Science Board of the Santa Fe Institute. "Kimura
Montgomery_Slatkin
British evolutionary biologist (born 1945)
according to the Thomas Hunt Morgan Medal webpage. Lande, R (2007). "2006 Sewall Wright Award. Brian Charlesworth". The American Naturalist. 169 (1): iii. doi:10
Brian_Charlesworth
American evolutionary biologist and ecologist (born 1951)
Population Time Series Using Demographic Theory and Life‐History Data. Sewall Wright Award 1992 Guggenheim Fellowship 1996 MacArthur Fellowship 1997 Weldon
Russell_Lande
American evolutionary biologist (born 1942)
travel to the University of Melbourne in Australia. He received the Sewall Wright Award from the American Society of Naturalists in 1997 and the Leidy
Douglas_J._Futuyma
American-Israeli agricultural geneticist (1931–2026)
below. Soller also learned much from the writings of Ronald Fisher and Sewall Wright during this time. In 1951 he earned a Bachelor's Degree in Agriculture
Morris_Soller
British evolutionary biologist (1936–2000)
realised that the number that kept falling out of his calculations was Sewall Wright's coefficient of relationship. This became Hamilton's rule: in each behaviour-evoking
W._D._Hamilton
American philosopher, architect and inventor (1895–1983)
ISBN 978-0-385-01804-3. Jerry Coyne and Steve Jones (1995). "1994 Sewall Wright Award: Richard C. Lewontin". The American Naturalist. 146 (1). University
Buckminster_Fuller
American geneticist (1916–2012)
original plan had been to get a postdoctoral fellowship to work with Sewall Wright at the University of Chicago, but this proved difficult just at the
James_F._Crow
American geneticist
Philosophical Society in 1910. At Harvard, his most famous PhD student was Sewall Wright who graduated in 1915. The same year he was elected to membership in
William_E._Castle
American entomologist (born 1941)
Evolution (618 pages). In the same year she was the recipient of the Sewall Wright Award. She has been selected as one of the 21 "Leaders in Animal Behavior"
Mary_Jane_West-Eberhard
American aeronautical engineer and inventor of Wright's law of productivity gains
the economist Philip Green Wright and his brothers were the geneticist Sewall Wright and the political scientist Quincy Wright. He graduated from Lombard
Theodore_Paul_Wright
1937 book by Theodosius Dobzhansky
of evolution. In his book Dobzhansky applied the theoretical work of Sewall Wright (1889–1988) to the study of natural populations. Dobzhansky uses theories
Genetics and the Origin of Species
Genetics_and_the_Origin_of_Species
Visualization of variable interrelationships
cause and effect dates back, at least, to the use of path analysis by Sewall Wright in 1918. According to George Richardson's book "Feedback Thought in
Causal_loop_diagram
American academic and Nobel Laureate (1916–2001)
Simon rediscovered path diagrams, which were originally invented by Sewall Wright around 1920. Simon was a pioneer in the field of artificial intelligence
Herbert_A._Simon
Sequence of DNA that determines traits in an organism
was used in early phases of the Human Genome Project. R. A. Fisher, Sewall Wright and J.B.S. Haldane integrated Mendelian genetics with Darwinian evolution
Gene
American ecologist (1920–1980)
Theodosius Dobzhansky (1950) 1951–1975 Paul Christoph Mangelsdorf (1951) Sewall Wright (1952) Lewis Stadler (1953) Milislav Demerec (1954) Kenneth V. Thimann
Robert_Whittaker_(ecologist)
Grouping by physical or social qualities
differences are far smaller than those among comparable subspecies. In 1978, Sewall Wright suggested that human populations that have long inhabited separated
Race_(human_categorization)
Species of moth
". Heredity. 1: 143–174. Fisher, R. A. & Ford, E. B. (1950). "The 'Sewall Wright' effect". Heredity. 4: 117–119. Ford, E. B. & Sheppard, P. M. (1969)
Scarlet_tiger_moth
English biologist and philosopher (1887–1975)
and the population geneticists J. B. S. Haldane, Ronald Fisher and Sewall Wright. However, at the time of Huxley's book several of these had yet to make
Julian_Huxley
B. S. Haldane did not even recognize that species were real, while Sewall Wright ignored the topic, despite accepting allopatric speciation. The primary
History_of_speciation
Book by Ronald Aylmer Fisher
important in population genetics. Researchers like, J.B.S. Haldane and Sewall Wright expanded on Fisher's framework to describe gene frequencies, genetic
The Genetical Theory of Natural Selection
The_Genetical_Theory_of_Natural_Selection
Belief about living organisms
remnants of vitalist thinking can be found in the work of Alistair Hardy, Sewall Wright, and Charles Birch, who seem to believe in some sort of nonmaterial
Vitalism
Mechanism of evolution by differential reproduction
Haldane introduced the concept of the "cost" of natural selection. Sewall Wright elucidated the nature of selection and adaptation. In his book Genetics
Natural_selection
Difference in DNA among individuals or populations
known as fixation indices, were developed by population geneticist Sewall Wright to quantify differences in genetic variation within and between populations
Genetic_variation
American political scientist (1890–1970)
United Nations Association. Wright's father was the economist Philip Green Wright and his brothers were the geneticist Sewall Wright and the aeronautical engineer
Quincy_Wright
Individuals nearly identical in genotype due to long inbreeding
today. Sewall Wright took over the experiment in 1915. He was faced with the task of analyzing all of the accumulated data produced by Rommel. Wright became
Inbred_strain
Theory in evolutionary biology
between the two models, critiques from such eminent commentators as Sewall Wright as well as Simpson himself have argued that punctuated equilibrium is
Punctuated_equilibrium
Biostatistician
termite systematist Alfred E. Emerson. He was also strongly influenced by Sewall Wright, who served on his dissertation committee. Sokal developed an interest
Robert_R._Sokal
Principle relating genetic variance to fitness
Largely as a result of Fisher's feud with the American geneticist Sewall Wright about adaptive landscapes, the theorem was widely misunderstood to mean
Fisher's fundamental theorem of natural selection
Fisher's_fundamental_theorem_of_natural_selection
Statistical method in genetic epidemiology
Robert Heath Lock. Another progenitor of Mendelian randomization is Sewall Wright who introduced path analysis, a form of causal diagram used for making
Mendelian_randomization
Professional society dedicated to the biological sciences
including the Conceptual Unification Award (originally named in honor of Sewall Wright) for senior researchers making "fundamental contributions ... to the
American Society of Naturalists
American_Society_of_Naturalists
American primatologist
offspring's phenotypes in a nongenetic manner. Altmann was awarded the Sewall Wright Award in 2013 and the Lifetime Achievement Award from the International
Jeanne_Altmann
Influence of a single gene on multiple phenotypic traits
will result in an increase in fitness. Expanding on Fisher's work, Sewall Wright provided more evidence in his 1968 book Evolution and the Genetics of
Pleiotropy
Evolutionary strategy favoring relatives
relatedness parameter (r) in Hamilton's rule was introduced in 1922 by Sewall Wright as a coefficient of relationship that gives the probability that at
Kin_selection
Percent of variation in IQ scores in a given population associated with genetic variation
decomposition models for the phenotype. First pointed out by Ronald Fisher and Sewall Wright, different sources of variance differ in their contribution to the resemblance
Heritability_of_IQ
subpopulations, and its calculation is synonymous to FST developed by Sewall Wright. However, instead of using genetic differentiation, QST is calculated
QST_(genetics)
Line – Wallacea – George C. Williams (biologist) – Edward O. Wilson – Sewall Wright Y-chromosomal Adam – Y-DNA haplogroups by ethnic groups List of biology
Index of evolutionary biology articles
Index_of_evolutionary_biology_articles
Day of the year
Henryk Szeryng, Polish-Mexican violinist and composer (born 1918) 1988 – Sewall Wright, American biologist and geneticist (born 1889) 1990 – Charlotte Moore
March_3
population genetics, with the work of R.A. Fisher, J.B.S. Haldane and Sewall Wright, unified the idea of evolution by natural selection with Mendelian genetics
History_of_biology
Austrian evolutionary biologist (born 1954)
Berkeley 1993; Koopmans Distinguished Lecturer, IIASA Vienna 1995; Sewall Wright Speaker, University of Chicago, IL, 1996. He is also a corresponding
Günter_P._Wagner
Day of the year
1888 – Jean Bouin, French runner and rugby player (died 1914) 1889 – Sewall Wright, American geneticist and biologist (died 1988) 1890 – Hermann Joseph
December_21
Allele association in population genetics
{D^{2}}{p_{A}(1-p_{A})p_{B}(1-p_{B})}}} This LD measure was introduced by Sewall Wright and its use popularised by Hill and Robertson. The above LD theory is
Linkage_disequilibrium
UK-US academic biologist
the American Academy of Arts and Sciences in 1992. He won the 1999 Sewall Wright Award. Antonovics is the author or co-author of well over 150 scientific
Janis_Antonovics
Type of mathematical model
it do not. The first threshold models in genetics were introduced by Sewall Wright, examining the propensity of guinea pig strains to have an extra hind
Threshold_model
Speciation that occurs between geographically isolated populations
Bibcode:1998PNAS...95.5106P, doi:10.1073/pnas.95.9.5106, PMC 20221, PMID 9560236 Sewall Wright (1943), "Isolation by distance", Genetics, 28 (2): 114–138, doi:10.1093/genetics/28
Allopatric_speciation
Random mating
to describe the mathematical properties of structured populations, Sewall Wright proposed a "factor of Panmixia" (P) to include in the equations describing
Panmixia
DNA locus associated with variation in a quantitative trait
an early summary of the theory of evolution of continuous variation, Sewall Wright, a graduate student who trained under Castle, summarized contemporary
Quantitative_trait_locus
American phylogeneticist (born 1942)
Felsenstein's tree-pruning algorithm Relatives Lee Felsenstein (brother) Awards Sewall Wright Award (1993) Weldon Memorial Prize (2000) Darwin–Wallace Medal (2008)
Joseph_Felsenstein
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