SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Nikolai Konstantinovich Koltsov (1872-1940), Russian biologist, at work in his laboratory. Koltsov was a professor at Moscow University from 1895 to 1911. He proposed that cells had an internal support network, and that there existed an hereditary molecule. Both of these ideas, far ahead of their time, were confirmed when the cytoskeleton and DNA were discovered. Later, Koltsov was a member of the Lenin All-Union Academy of Agricultural Sciences (VASKhNIL). It is thought that he was poisoned by the secret police after supporters of Lysenko denounced him. Photographed in St Petersburg, Russia.
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