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Heschel, Abraham Joshua
(Encyclopedia)Heschel, Abraham Joshua hĕshˈəl [key], 1907–72, American Jewish philosopher and theologian, b. Warsaw, Poland. He succeeded Martin Buber as director of the Central Organization for Jewish Adult E...Haldane, John Burdon Sanderson
(Encyclopedia)Haldane, John Burdon Sanderson hôlˈdān, –dən [key], 1892–1964, British geneticist, biologist, and popularizer of science; son of John Scott Haldane. He studied at Oxford until his studies were...Mayer, Julius Robert von
(Encyclopedia)Mayer, Julius Robert von, 1814–78, German physician and physicist, studied medicine at Tübingen, Munich, and Paris. From a consideration of the generation of animal heat, he was led to determine th...jew's-harp
(Encyclopedia)jew's-harp or jews'-harp, musical instrument of ancient lineage composed of a small metal frame containing a flexible metal tongue. The frame is held between the teeth and the metal tongue is plucked ...Engle, Robert Fry, 3d
(Encyclopedia)Engle, Robert Fry, 3d, 1942–, American economist, b. Syracuse, N.Y., Ph.D. Cornell, 1969. He has been on the faculty of the Massachusetts Intitute of Technology (1969–75), Univ. of California, San...Bode's law
(Encyclopedia)Bode's law [for J. E. Bode], also known as Titius's law or the Titius-Bode law, empirical relationship between the mean distances of the planets from the sun. If each number in the series 0, 3, 6, 12,...Wittgenstein, Ludwig Josef Johann
(Encyclopedia)Wittgenstein, Ludwig Josef Johann loŏtˈvĭkh yōˈzĕf yōˈhän vĭtˈgənshtīn [key], 1889–1951, Austrian philosopher, b. Vienna. The second phase of Wittgenstein's philosophy commenced with ...Maskelyne, Nevil
(Encyclopedia)Maskelyne, Nevil măsˈkəlīn [key], 1732–1811, English astronomer. Maskelyne received his education at Westminster School and Trinity College, Cambridge. Appointed astronomer royal at the Royal Ob...black hole
(Encyclopedia)black hole, in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from escaping. The term was...electrochemistry
(Encyclopedia)electrochemistry, science dealing with the relationship between electricity and chemical changes. Of principal interest are the reactions that take place between electrodes and the electrolytes in ele...Browse by Subject
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