Alfred Wegener

Abraham Ortelius and the Theatrum Orbis Terrarum

Abraham Ortelius and the Theatrum Orbis Terrarum

On May 20, 1570, Belgian cartographer and geographer Abraham Ortelius published the first modern atlas, the Theatrum Orbis Terrarum, in Antwerp. It consisted of a collection of uniform map sheets and sustaining text bound to form a book for which copper printing plates were specifically engraved. Abraham Ortelius – Early Years Abraham Ortelius was born in Antwerp, but grew up with his uncle after his father passed away at young age. In…
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Alfred Wegener and the Continental Drift

Alfred Wegener and the Continental Drift

On January 06, 1912, German geologist Alfred Wegener presented his theory of continental drift for the first time in public at a meeting of the Geological Society (‘Geologische Vereinigung’) at Senckenberg Museum in Frankfurt, Germany. “In the whole of geophysics there is probably hardly another law of such clarity and reliability as this—that there are two preferential levels for the world’s surface which occur in alternation side by side and are represented by…
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Arthur Holmes and the Age of the Earth

Arthur Holmes and the Age of the Earth

On January 14, 1890, British geologist Arthur Holmes was born. Holmes pioneered the use of radiometric dating of minerals and was the first earth scientist to grasp the mechanical and thermal implications of mantle convection, which led eventually to the acceptance of plate tectonics. Arthur Holmes – Early Years Arthur Holmes was born in Hepburn, near Newcastle-upon-Tyne, the son of David Holmes, a cabinet-maker, and his wife, Emily Dickinson. As a child…
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Wladimir Köppen and the Köppen Climate Classification System

Wladimir Köppen and the Köppen Climate Classification System

On September 25, 1846, Russian-German geographer, meteorologist, climatologist and botanist Wladimir Peter Köppen was born. His most notable contribution to science was the development of the Köppen climate classification system, which, with some modifications, is still commonly used. Köppen made significant contributions to several branches of science. Wladimir Köppen – Early Years Wladimir Peter Köppen was born in Russia as the son of German parents, Peter von Köppen and Alexandrine, née von Adelung, and…
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Milutin Milanković and the Cause of the Ice Ages

Milutin Milanković and the Cause of the Ice Ages

On December 12, 1958, Serbian mathematician, astronomer, climatologist, geophysicist, civil engineer, and popularizer of science Milutin Milanković passed away. Milankovic revolutionized the understanding of climate dynamics. He put the astronomical theory of climate on a firm mathematical basis and founded cosmic climatology by calculating the temperature conditions on planets of the inner and outer solar system. Moreover, he calculated the impact of Earth’s secular orbital cycles on climate changes and explained the…
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