| Igneous rockIgneous rocks are formed when molten rock ( magma) cools and solidifies, with or without crystallization, either below the surface as intrusive (plutonic) rocks or on the surface as extrusive ( volcanic) rocks. This magma can be derived from either the Ea | Ignoratio elenchiIgnoratio elenchi (also known as irrelevant conclusion is the logical fallacy of presenting an argument that may in itself be valid, but which proves or supports a different proposition than the one it is purporting to prove or support. Ignoratio elenchi" | Igor StravinskyIgor Fyodorovitch Stravinsky ( June 17, 1882 April 6, 1971) was a composer of modern classical music. He wrote works in the neo-classical and serialist styles, but he is best known for two works from his earlier, Russian period: The Rite of Spring and The |
| Iguassu FallsIguassu Falls ( Portuguese: Cataratas do Iguacu Spanish: Cataratas del Iguaz SAMPA [iGwa'su]) are waterfalls of the Iguacu River located on the border of the Brazilian state of Parana (in the Southern Region) and the Argentinian Province of Misiones, and | Ignacy KrasickiIgnacy Krasicki (also Ignatius Krasicki in latinized form) ( 1735 1801) was born at the San River into a family that held the noble rank of Counts of the Holy Roman Empire. Educated in a Jesuit college in Lwow (now L'viv) and then in a higher Catholic sch | Igbo languageIgbo is a language spoken in Nigeria by about 18 million speakers (the Ibo), especially in the southeastern region once identified as Biafra. The language was used by John Goldsmith as an example to justify going away from the classical linear model of ph |
| Ignacio ZuloagaIgnacio Zuloaga ( July 26, 1870 October 31, 1945) was a Spanish painter, born at Eibar, in the Basque country, the son of the metalworker and damascener Placido Zuloaga, and grandson of the organizer and director of the royal armoury in Madrid. The career | Igor Dmitrievich NovikovIgor Dmitrievich Novikov (born November 10, 1935) is a Russian theoretical astrophysicist and cosmologist. Novikov formulated the Novikov self-consistency principle in the mid-1980s, an important contribution to the theory of time travel. Novikov gained h | Ignaz SemmelweisIgnaz Philipp Semmelweis (originally Ignac Fulop Semmelweis ( July 1, 1818 August 13, 1865) was the Hungarian physician who demonstrated that puerperal fever (also known as "childbed fever") was contagious and that its incidence could be drastically reduc |