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