View source for Theodosius Dobzhansky

'''Theodosius Dobzhansky''' (1900–1975) was a Ukrainian-American geneticist whose 1937 book ''Genetics and the Origin of Species'' served as the central bridge between mathematical [[Population Genetics|population genetics]] and field naturalism, effectively completing the [[Modern synthesis|Modern Synthesis]]. His long-term studies of ''Drosophila'' populations demonstrated that natural populations carry far more [[Genetic variation|genetic variation]] than previously assumed, providing the raw material for [[Natural selection|natural selection]] to operate continuously rather than in rare leaps. Dobzhansky's famous dictum — "Nothing in biology makes sense except in the light of evolution" — was not merely a slogan but a methodological commitment that restructured how genetics laboratories framed their research questions.

[[Category:Biology]]
[[Category:Evolution]]