Before revision: Other cosmists included Alexander Chizhevsky (1897–1964), pioneer of "heliobiology" (study of the sun's effect on biology).L.
After revision: Vladimir Vernadsky (1863–1945), who developed the notion of noosphere and the question of noosphere's evolution from biosphere, andOther cosmists included Alexander Chizhevsky (1897–1964), pioneer of "heliobiology" (study of the sun's effect on biology).L.