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Hace 1 día · En 1846, le chimiste allemand Christian-Friedrich Schönbein (1799-1868) met au point la synthèse de la nitrocellulose, un mélange instable car plusieurs explosions ont lieu. En 1865, le chimiste britannique Frederick Augustus Abel (1827-1902) invente un procédé un peu plus sûr, mais pas encore exploitable.
Hace 5 días · Abel Prize. Related Topics: mathematics. Notable Honorees: Peter Lax. Endre Szemerédi. John Nash. Lennart Carleson. Abel Prize, award granted annually for research in mathematics, in commemoration of the brilliant 19th-century Norwegian mathematician Niels Henrik Abel.
Hace 5 días · Frederick Augustus II (1852–1931) was the last ruling Grand Duke of Oldenburg Christoph, Prince of Schleswig-Holstein (1949–2023), head of the House of Oldenburg for 43 years from 1980 [5] See also [ edit ]
Hace 3 días · Johann Carl Friedrich Gauss (German: Gauß [kaʁl ˈfʁiːdʁɪç ˈɡaʊs] ⓘ; [2] [3] Latin: Carolus Fridericus Gauss; 30 April 1777 – 23 February 1855) was a German mathematician, astronomer, geodesist, and physicist who contributed to many fields in mathematics and science.
- Mathematics and sciences
Hace 1 día · v. t. e. Friedrich August von Hayek CH FBA ( / ˈhaɪək / HY-ək, German: [ˈfʁiːdʁɪç ˈʔaʊɡʊst fɔn ˈhaɪɛk] ⓘ; 8 May 1899 – 23 March 1992), often referred to by his initials F. A. Hayek, was an Austrian-British polymath, whose areas of interest included economics, political philosophy, psychology, and intellectual history.
- Austrian (1899–1938), British (1938–1992)
Hace 5 días · Frederick Douglass’ birth name was Frederick Augustus Washington Bailey. He escaped slavery in Maryland and became an abolitionist fighting to end slavery. In his autobiography he shared an incredible story about the steps his mother took to love him. He writes:
Hace 4 días · Democratic Party. Thomas P. O’Neill, Jr. (born December 19, 1912, Cambridge, Massachusetts, U.S.—died January 5, 1994, Boston, Massachusetts) was an American politician who served as a Democratic representative from Massachusetts in the U.S. House of Representatives (1953–87) and as speaker of the House (1977–86).
