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Gassendi, Pierre

(Encyclopedia)Gassendi, Pierre pyĕr gäsäNdēˈ [key], 1592–1655, French philosopher and scientist. A teacher and priest, Gassendi taught at Digne, Aix, and the Royal College at Paris and held several church of...

Fitzgerald, George Francis

(Encyclopedia)Fitzgerald, George Francis, 1851–1901, Irish physicist. Fitzgerald was born in Dublin and studied and taught at Trinity College there. He is best known for suggesting how the ether, by causing the c...

Ohlin, Bertil

(Encyclopedia)Ohlin, Bertil bĕrˈtĭl ōˈlĭn [key], 1899–1979, Swedish economist, b. Klippan. A professor at several Swedish universities, he wrote the influential Interregional and International Trade (1933, ...

Lindley, John

(Encyclopedia)Lindley, John, 1799–1865, English botanist and horticulturist. He organized the first flower shows in England and was influential in preserving the Royal Gardens at Kew (see Kew Gardens). In 1829 he...

Arrhenius, Svante August

(Encyclopedia)Arrhenius, Svante August sfänˈtə, ärāˈnēəs [key], 1859–1927, Swedish chemist. He was a professor of physics in Stockholm in 1895 and became director of the Nobel Institute for Physical Chemi...

Langevin, Paul

(Encyclopedia)Langevin, Paul läNzhəvăNˈ [key], 1872–1946, French physicist and chemist. He was professor of experimental physics at the Collège de France from 1909 and at the École municipale de Physique e...

Kirkwood gaps

(Encyclopedia)Kirkwood gaps, regions in the asteroid belt within which few asteroids are found. Astronomer Daniel Kirkwood first observed (1886) that few asteroids had an orbital period close to 1⁄2, 1⁄3, or 2�...

Wilkinson, Sir Geoffrey

(Encyclopedia)Wilkinson, Sir Geoffrey, 1921–, English inorganic chemist. He shared the 1973 Nobel Prize in Chemistry with Ernst Otto Fischer for their independent research on the organometallic compounds of the t...

Sacchi, Andrea

(Encyclopedia)Sacchi, Andrea ändrĕˈä säkˈkē [key], 1599–1661, Italian baroque painter, b. Rome. He studied in Rome and in Bologna under Francesco Albani. His masterpiece, an allegory of Divine Wisdom (c.16...

Šafařik, Pavel Josef

(Encyclopedia)Šafařik, Pavel Josef päˈvĕl yôˈzĕf shäˈfär-zhēk [key], 1795–1861, Czech philologist and archaeologist; his name is also spelled Schafarik and Schafřík. Šafařik advanced the theory th...