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Haeckel, Ernst Heinrich

(Encyclopedia)Haeckel, Ernst Heinrich ĕrnst hīnˈrĭkh hĕˈkəl [key], 1834–1919, German biologist and philosopher. He taught (1862–1909) at the Univ. of Jena. An early exponent of Darwinism in Germany, he e...

Gross, David Jonathan

(Encyclopedia)Gross, David Jonathan, 1941–, American particle physicist, b. Washington, D.C., Ph.D. Univ. of California, Berkeley, 1966. Gross was a professor at Princeton from 1969 to 1997, when he joined the fa...

Jeans, Sir James Hopwood

(Encyclopedia)Jeans, Sir James Hopwood, 1887–1946, English mathematician, physicist, and astronomer. He was professor of applied mathematics at Princeton (1905–9), later lectured at Cambridge (1910–12) and Ox...

divine right

(Encyclopedia)divine right, doctrine that sovereigns derive their right to rule by virtue of their birth alone—a right based on the law of God and of nature. Authority is transmitted to a ruler from his ancestors...

Schrieffer, John Robert

(Encyclopedia)Schrieffer, John Robert, 1931–2019, American physicist, b., Oak Park, Ill., Ph.D. Univ. of Illinois, 1957. Schrieffer was a professor at the Univ. of Chicago (1957–60), the Univ. of Illinois (1960...

Schrödinger, Erwin

(Encyclopedia)Schrödinger, Erwin ĕrˈvĭn shröˈdĭng-ər [key], 1887–1961, Austrian theoretical physicist. He was educated at Vienna, taught at Breslau and Zürich, and was professor at the Univ. of Berlin (1...

Wilson, J. Tuzo

(Encyclopedia)Wilson, J. Tuzo (John Tuzo Wilson), 1908–93, Canadian geologist and geophysicist, b. Ottawa, Ph.D. Princeton (1936), M.A. Cambridge (1940). He worked for the Geological Survey of Canada (1936–39) ...

Steward, Julian Haynes

(Encyclopedia)Steward, Julian Haynes, 1902–72, American anthropologist, b. Washington, D.C., grad. Cornell, 1925, Ph.D. Univ. of California, 1929. He taught at the Univ. of Michigan (1928–30), Columbia (1946–...

continental drift

(Encyclopedia)CE5 Continental drift (arrows indicate the directions of motion of the landmasses) A. Proposed reconstruction of the supercontinent Pangaea indicating the major present landmasses B. Proposed recon...

ideal gas

(Encyclopedia)ideal gas: see gas laws; kinetic-molecular theory of gases. ...