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David W. Tschanz

David W. Tschanz is a medical/military historian based in KSA. He is also an epidemiologist, web developer, computer systems engineer, editor and demographer.

Author Articles

Tabula Rogeriana

Islamic Start of Modern Geography

Although astronomers through their study of the universe were able to theorize about such general geographical concepts like the shape of the earth, early geography was for the most part a product of the imagination: a collection of wondrous fables and marvelous tales of faraway places.


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