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Revelle, Roger (1909-1991), was an American oceanographer and a pioneer in deep-sea research. His work led to the discovery of sea-floor spreading and magnetic reversals (see Ocean; Magnetism. Revelle was also among the first to focus attention on the problem of Global warming and the Greenhouse effect caused by an increase in carbon dioxide in the atmosphere. In 1957, largely as a result of Revelle's lobbying efforts, gas recorders were put in place in Hawaii and at the South Pole to measure… More »
Ballard, Robert Duane (1942-...), is an American oceanographer who has advanced underwater... More >>
Dale, Robert (1810-1856), a British soldier, explored large areas of Western Australia. His... More >>
Earle, Sylvia Alice (1935-...), is an American oceanographer and environmentalist. In 1979, she... More >>
Hakluyt, HAK loot, Richard (1552?-1616), was an English geographer, editor, and clergyman. In... More >>
Humboldt, HUHM bohlt, Baron von (1769-1859), a German scientist, was a founder of modern... More >>
Idrisi, al-Sharif al- (1100-1166?), an Arab geographer, wrote the masterpiece The Pleasure... More >>
Kropotkin, Peter, kruh POT kihn, PYAW ter (1842-1921), was a Russian geographer and political... More >>
Mercator, Gerardus, muhr KAY tuhr, juhr AHR duhs (1512-1594), was a Flemish geographer who became... More >>
Revelle, Roger (1909-1991), was an American oceanographer and a pioneer in deep-sea research. His... More >>
Richtofen, Baron Ferdinand von
Richtofen, Baron Ferdinand von (1833-1905), a German geologist and geographer, pioneered in the... More >>
Ritter, Karl (1779-1859), a German geographer, did much to make geography a scientific study. He... More >>
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