2 years ago
Which scientist was the first to make a theory about the formation of molecules in Earth's early atmosphere?
I used to know this but now I realized that I've forgotten the scientist's name. Can someone please the answer? Thanks.
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M$1 Answer
If you are asking about formation of complex *organic* molecules in earth's early atmosphere then the answer is: Alexander I. Oparin in 1924.
In his book "The Origin of Life", Oparin proposed that the early atmosphere of the earth was oxygen-free and that a "primeval soup" of organic molecules could be created in this oxygen-less atmosphere by chemical reactions that synthesized organic compounds from inorganic precursors. *1
J B S Haldane proposed a similar hypothesis in 1929 independently of Oparin.
The Urey–Miller experiment tested Alexander Oparin's and J. B. S. Haldane's hypothesis by simulating hypothetical conditions thought to be present on the early Earth, and testing for the occurrence of chemical evolution. Considered to be the classic experiment on the origin of life, it was conducted in 1952 and published in 1953 by Stanley Miller and Harold Urey at the University of Chicago. *2
In his book "The Origin of Life", Oparin proposed that the early atmosphere of the earth was oxygen-free and that a "primeval soup" of organic molecules could be created in this oxygen-less atmosphere by chemical reactions that synthesized organic compounds from inorganic precursors. *1
J B S Haldane proposed a similar hypothesis in 1929 independently of Oparin.
The Urey–Miller experiment tested Alexander Oparin's and J. B. S. Haldane's hypothesis by simulating hypothetical conditions thought to be present on the early Earth, and testing for the occurrence of chemical evolution. Considered to be the classic experiment on the origin of life, it was conducted in 1952 and published in 1953 by Stanley Miller and Harold Urey at the University of Chicago. *2
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