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James Ussher
The Irish Archbishop James Ussher analyze the Genesis (first book of the Bible) and he guess that God had created the world in 4004 a.C. -
Redi and spontaneous generation
redi conducted an experiment in order to discard the spontaneous generation without success -
Luis Pasteur
performed an experiment whereby rejects spontaneous generation -
Hermann Richter
The term was defended by the German biologist Hermann Richter in 1865. It was in 1908 when the Swedish chemist Svante August Arrhenius used the word panspermia to explain the beginning of life on Earth. Astronomer Fred Hoyle also supported this hypothesis. It was only in 1903 when the chemical-and winner of Nobel Prize Svante Arrhenius-popularized the concept of life originating in outer space. the theory of panspermia explains that life came to earth from space in the form of bacteria -
Oparin
proposed what chemical compounds that existed in the primitive atmosphere served as raw material for the simplest organic compounds of living sers
