James Alexander Graham Bell, (born March 3, 1847, Edinburgh, Scotland—died August 2, 1922, Beinn Bhreagh, Cape Breton Island, Nova Scotia, Canada), Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and the refinement of the phonograph (1886). Alexander (“Graham” was not added until he was 11) was born to Alexander Melville Bell and … Read more
Robert Owen, a Welsh reformer and former manufacturer, was one of the most well-known advocates of utopian socialism in the early 19th century. He was born on May 14 in Newtown, Montgomeryshire, Wales, and passed away there on November 17 in 1858. Politicians, social reformers, and royalty flocked to Lanarkshire, Scotland, the location of the … Read more
Theodore von Kármán, (born May 11, 1881, Budapest, Hung.—died May 6, 1963, Aachen, W.Ger.), Hungarian-born American research engineer best known for his pioneering work in the use of mathematics and the basic sciences in aeronautics and astronautics. His laboratory at the California Institute of Technology later became the National Aeronautics and Space Administration (NASA) Jet Propulsion Laboratory. Early life Von Kármán was the third of … Read more
Sébastien Le Prestre de Vauban, a French military engineer, was born on May 15, 1633, in Saint-Léger-de-Foucherest (now Saint-Léger-Vauban), France, and passed away on March 30, 1707, in Paris. He is credited with revolutionizing the art of siege craft and defensive fortifications. He participated in every French war under Louis XIV (1643–1715). Young Age Vauban … Read more
Pullman was born in Brocton, New York, on March 3, 1831, and his full name is George Mdot. S., an American industrialist who passed away on October 19, 1897 in Chicago, invented the luxurious Pullman sleeping car, a train car designed for overnight travel. The Pullman Strike, which was initiated by workers of the Pullman … Read more
Alan Turing, in full Alan Mathison Turing, (born June 23, 1912, London, England—died June 7, 1954, Wilmslow, Cheshire), British mathematician and logician who made major contributions to mathematics, cryptanalysis, logic, philosophy, and mathematical biology and also to the new areas later named computer science, cognitive science, artificial intelligence, and artificial life. Early life and career The son of a civil servant, Turing was educated at a top … Read more
Carl Friedrich Gauss, original name Johann Friedrich Carl Gauss, (born April 30, 1777, Brunswick [Germany]—died February 23, 1855, Göttingen, Hanover), German mathematician, generally regarded as one of the greatest mathematicians of all time for his contributions to number theory, geometry, probability theory, geodesy, planetary astronomy, the theory of functions, and potential theory (including electromagnetism). Gauss was the only child of poor parents. He … Read more
Alfred Nobel, also known as Alfred Bernhard Nobel, was a Swedish industrialist, engineer, and chemist who is credited with creating dynamite and other potent explosives. Additionally, he created the Nobel Prizes. Nobel was born in Stockholm, Sweden, on October 21, 1833, and died in San Remo, Italy, on December 10, 1896. Alfred Nobel The fourth … Read more
Steven Paul Jobs, also known as Steve Jobs, was born on February 24, 1955, in San Francisco, California. co-founder S. of Apple Computer, Inc.died in Palo Alto, California, on October 5, 2011. (At the moment, Apple Inc. ), as well as an engrossing precursor to the personal computer era. Creation of Apple Cupertino, California, a … Read more
Joseph Priestley (born March 13, 1733, in Birstall Fieldhead, a locality close to Leeds, Yorkshire [now West Yorkshire], England; died in Northumberland, Pennsylvania, U. S. A. English author (born February 6, 1804). S.) was an English cleric, political theorist, and physical scientist who made contributions to experimental chemistry as well as liberal political and religious … Read more