“Nothing in biology makes sense except in the light of evolution.”

Theodosius Dobzhansky, born in Nemiriv, now in Ukraine, on 25 January in 1900, was the son of a high school mathematics teacher. He belonged to a family of Russian Orthodox priests. During his childhood, Dobzhansky developed a passion of collecting butterflies and ladybugs, and was an ardent fan of outdoor activities. In his high-school days, he decided to become a biologist.

After graduating in biology from the University of Kiev in 1921, Dobzhansky accepted a position at the Polytechnic Institute of Kiev as a zoology instructor. He moved to the University of Saint Petersburg in 1924 as an assistant to Yuri Filipchenko, head of the genetics department.

Dobzhansky is now most remembered for these words: “Nothing in biology makes sense except in the light of evolution.”

Well, that makes sense to me. Evolution as the dominant idea that would explain all life. In my ownlife there has never been a more powerful idea.

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