German explorer and geophysicist Alfred Wegener
Numéro d’image : 11831505
| Alfred Wegener (1880-1930),German geophysicist and proposer of the theory of continental drift. Impressed by the matching coastlines of South America and Africa,Wegener suggested in 1912 that there had once been a single supercontinent (which he called Pangaea) that had fragmented and drifted apart into the continents we know today. Although he supported his argument with sound evidence,he was at a loss to explain the underlying mechanism and the theory was discounted during his lifetime. Later discoveries proved him right and led to the new discipline of plate tectonics,now a major tenet of geology. Wegener died while crossing an ice sheet during an expedition to Greenland | |
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