Origin of life History of studies into the origin of life Haldane and Oparin
No real progress was made until 1924 when Alexander Oparin reasoned that atmospheric oxygen prevented the synthesis of the organic molecules. Organic molecules are the necessary building blocks for the evolution of life. The Origin of Life', Weidenfeld and Nicolson, London, pages 199-234.Oparin A.I. 1952. The Origin of Life. These would combine in ever-more complex fashions until they formed droplets. Many modern theories of the origin of life still take Oparin's ideas as a starting point.