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1 lut 2021 · Throughout his career, Dobzhansky (1900–1975) doubted whether natural selection could explain evolution. My first thesis is that his doubt was qualified and declined during his life, but never...
14 lip 2014 · In this, the first book devoted to an analysis of the historical, scientific, and cultural dimensions of Dobzhansky's life and thought, an international group of historians, biologists, and philosophers addresses the full span of his career in Russia and the United States.
23 lis 2023 · I reconstruct the relationship between the evolutionary geneticists Theodosius Dobzhansky (1900–1975) and Richard Lewontin (1929–2021). Using archival research and published texts, I show that Lewontin inherited his dissertation director’s research program as well as his “biology of democracy.”
When Dobzhansky started his career in the 1920s, the main elements of his theory of biological evolution were in place (Sect. 11.2.1). They remained unchanged throughout his career. Included was a pluralist view of the mechanisms of evolution, all hypothetical.
28 lut 2021 · To explain these reasons will describe how natural selection acquired its explanatory role in Dobzhansky’s contribution to the synthetic theory of evolution and how this affected his theory choice.
One of Dobzhansky’s main achievements in the development of evolutionary theory, in the opinion of almost all historians, was his introduction of the biological species concept. We can see the essence of the concept in his own words (Dobzhansky 1935, p. 354):
On the authority of the Declaration of Independence, it is a self-evident truth "that all men are created equal." Yet we hear that biology and genetics have demonstrated conclusively that men are unequal. Do biology and genetics really contradict what the Declaration of Independence holds to be a self-evident truth?
