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Samuelsson, Bengt Ingemar

(Encyclopedia) Samuelsson, Bengt Ingemar, 1934–, Swedish biochemist, grad. Karolinska Institute (Ph.D. 1960, M.D. 1961). He was a professor at the Karolinska Institute from 1962 to 1966 and again…

Vives, Juan Luis

(Encyclopedia) Vives, Juan LuisVives, Juan Luishwän l&oomacr;ēsˈ vēˈvās [key], 1492–1540, Spanish humanist and philosopher; friend of Erasmus. At the invitation of King Henry VIII he went to…

Tesla, Nikola

(Encyclopedia) Tesla, NikolaTesla, Nikolatĕsˈlə [key], 1856–1943, American electrician and inventor, b. Croatia (then an Austrian province). An ethnic Serb, he immigrated to the United States in 1884…

Woods, Granville Taylor

(Encyclopedia) Woods, Granville Taylor,, 1856–1910, African-American inventor, b. Columbus, Ohio. He worked in a railroad shop as a youth, becoming a machinist and blacksmith. He subsequently worked…

magnetism

(Encyclopedia) CE5 Lines of induction around a single bar magnet and between opposite poles of different magnets magnetism, force of attraction or repulsion between various substances, especially…

inductance

(Encyclopedia) inductance, quantity that measures the electromagnetic induction of an electric circuit component; it is a property of the component itself rather than of the circuit as a whole. The…

Mickelson, Philip Alfred

(Encyclopedia) Mickelson, Philip Alfred, 1970-, American golf pro, b. San Diego, Ca., Arizona State Univ. (BA, 1992) . Mickelson began playing golf…

Sackville, Thomas, 1st earl of Dorset

(Encyclopedia) Sackville, Thomas, 1st earl of Dorset, 1536–1608, English statesman and poet. A barrister of the Inner Temple, Sackville entered Parliament in 1558, gained favor with Elizabeth I, and…

Old Person, Earl

(Encyclopedia) Old Person, Earl,1929-2021, leader of the Blackfeet Nation, b. outside Browning, Mt., Blackfeet names Stu Sapoo ("Cold Wind") and…

logic

(Encyclopedia) logic, the systematic study of valid inference. A distinction is drawn between logical validity and truth. Validity merely refers to formal properties of the process of inference. Thus…