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Geographical research from the middle of 19th Century followed a new paradigm that was framed under the influence of Darwinism.It is believed that the development of geography as science became possible after having followed the premises of the new paradigm.

This paper is based on the unused correspondence encompassing Alexander von Humboldt,Charles Darwin,J.Hooker,Charles Lyell as well as on some material published in German , French and in English; argues that due credit was not accorded to Humboldt whose scientific approach was based on field study and comparative method that had inspired Darwin's theoretical framework of his theory.