Columbia Encyclopedia

(Encyclopedia) Henry I, c.1008–1060, king of France (1031–60), son and successor of King Robert II. To defend his throne against his mother, his brothers Robert and Eudes, and subsequently against the count of B...

(Encyclopedia) Bulwer-Lytton, Edward Robert, 1st earl of Lytton, pseud. Owen Meredith, 1831–91, English diplomat and poet; son of the novelist, Bulwer-Lytton. He was in the diplomatic service from 1850 to 1875, wh...

(Encyclopedia) Snowdon, Antony Charles Robert Armstrong-Jones, 1st Earl of, 1930–2017, British photographer. Educated at Eton and Cambridge, he married Princess Margaret in 1960 and was created earl the following ...

(Encyclopedia) strength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an e...

(Encyclopedia) Darwin, Charles Robert, 1809–82, English naturalist, b. Shrewsbury; grandson of Erasmus Darwin and of Josiah Wedgwood. He firmly established the theory of organic evolution known as Darwinism. He st...

(Encyclopedia) Mueller, Robert Swan, 3d, 1944–, American law enforcement official, b. New York City, B.A. Princeton, 1966, M.A. New York Univ., 1967, J.D. Univ. of Virginia School of Law, 1973. After serving in Vi...

(Encyclopedia)  CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...

(Encyclopedia) Bruce, Edward, d. 1318, Scottish king of Ireland, brother of Robert I of Scotland. He aided his brother in the war for independence from England and in 1315 was declared heir to Robert's throne. With ...

(Encyclopedia) Liverpool, Robert Banks Jenkinson, 2d earl of, 1770–1828, English statesman. He was elected to Parliament as a Tory in 1790 and succeeded his father to the peerage in 1808. He served as foreign secr...

(Encyclopedia) Stephenson, George, 1781–1848, British engineer, noted as a locomotive builder. He learned to read and write in night school at the age of 18, while working in a colliery. He constructed (1814) a tr...