• Thumbnail for Alexander Kekulé
    Alexander S. Kekulé won, then still under the name Urchs, Finale researches the 3rd prize in chemistry at Jugend. "-kekule.html Alexander S. Kekulé [dead...
    14 KB (1,460 words) - 21:32, 20 September 2023
  • Thumbnail for August Kekulé
    particular the Kekulé structure of benzene. Kekulé never used his first given name; he was known throughout his life as August Kekulé. After he was ennobled...
    21 KB (2,275 words) - 06:59, 20 August 2024
  • Thumbnail for Aromaticity
    alternating single and double bonds (cyclohexatriene), was developed by Kekulé (see History section below). The model for benzene consists of two resonance...
    22 KB (2,764 words) - 21:10, 20 June 2024
  • Thumbnail for Archibald Scott Couper
    valence regularities was independent of a paper by August Kekulé proposing the same concept. (Kekulé had already proposed the tetravalence of carbon in 1857...
    6 KB (604 words) - 09:43, 7 April 2024
  • Wilhelm von Hofmann and at the University of Bonn as a pupil of August Kekulé. Afterwards, he studied medicine at the University of Munich, followed by...
    4 KB (368 words) - 04:51, 10 February 2024
  • Thumbnail for Achilleion (Corfu)
    guardian of the gardens, facing north toward the city. Archaeologist Reinhard Kekulé von Stradonitz, who was also the Kaiser's advisor, was invited by the Kaiser...
    25 KB (2,476 words) - 09:51, 25 July 2024
  • Thumbnail for Chemical structure
    or DNA). Theories of chemical structure were first developed by August Kekulé, Archibald Scott Couper, and Aleksandr Butlerov, among others, from about...
    7 KB (849 words) - 02:55, 17 January 2024
  • Thumbnail for Acetone
    Charles Frédéric Gerhardt concurred. In 1865, the German chemist August Kekulé published the modern structural formula for acetone. Johann Josef Loschmidt...
    49 KB (5,138 words) - 16:44, 9 August 2024
  • Thumbnail for Ouroboros
    both mankind and the individual child. The German organic chemist August Kekulé described the eureka moment when he realised the structure of benzene, after...
    32 KB (3,717 words) - 20:47, 10 September 2024
  • of the molecule. In benzene the two cyclohexatriene Kekulé structures, first proposed by Kekulé, are taken together as contributing structures to represent...
    42 KB (5,094 words) - 06:04, 25 June 2024
  • Thumbnail for Catechol
    catechol was benzene with two oxygen atoms added to it; in 1867, August Kekulé realized that catechol was a diol of benzene, so by 1868, catechol was listed...
    21 KB (2,054 words) - 23:17, 9 September 2024
  • politician, 21st Vice President of the United States (d. 1885) 1829 – August Kekulé, German chemist and academic (d. 1896) 1831 – Alexandre Falguière, French...
    60 KB (6,107 words) - 08:23, 10 September 2024
  • German journalist (1966) Immanuel Kant, philosopher (1974) Friedrich August Kekulé, German organic chemist (1979) Johannes Kepler, astronomer (1971) Gustav...
    18 KB (2,082 words) - 21:00, 11 February 2023
  • Thumbnail for University of Bonn
    directorship. From 1870 to 1889 Reinhard Kekulé von Stradonitz, nephew of the famous organic chemist Friedrich August Kekulé von Stradonitz, was the director...
    94 KB (9,063 words) - 13:58, 31 August 2024
  • Thumbnail for History of chemistry
    younger chemists, such as Alexander Williamson in England, Charles Gerhardt and Charles-Adolphe Wurtz in France, and August Kekulé in Germany, began to advocate...
    155 KB (19,166 words) - 03:42, 5 September 2024
  • List of chemists (section S)
    S. Donald Stookey (1915–2014), American glass and ceramic chemist Gilbert Stork (1921–2017), 1995/6 Wolf Prize in Chemistry Friedrich August Kekulé von...
    60 KB (7,568 words) - 15:08, 9 September 2024
  • Thumbnail for Corfu
    Kaiser's purchase of the Achilleion, he invited archaeologist Reinhard Kekulé von Stradonitz, a friend and advisor, to come to Corfu to advise him where...
    182 KB (20,557 words) - 17:14, 7 September 2024
  • Thumbnail for Ghent University
    August Kekulé unraveled the structure of benzene at Ghent and Adolf von Baeyer (Johann Friedrich Wilhelm Adolf von Baeyer), a student of August Kekulé, made...
    33 KB (3,102 words) - 17:09, 3 September 2024
  • Thumbnail for Karlsruhe Congress
    were handled by August Kekulé, Adolphe Wurtz, and Karl Weltzien. As an example of the problems facing the delegates, Kekulé's Lehrbuch der Organischen...
    31 KB (2,232 words) - 11:57, 18 August 2024
  • Karthaus Emanuel Kaspar Karl Wilhelm Gottlob Kastner Wilhelm Keim August Kekulé Bernhard Keppler Klaus Kern Werner Kern Thomas M. Klapötke Martin Heinrich...
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  • Thumbnail for Proteinopathy
    chemical reaction resembling that of cellulose. In 1859, Friedreich and Kekulé demonstrated that, rather than consisting of cellulose, "amyloid" actually...
    62 KB (4,598 words) - 21:08, 10 September 2024
  • Thumbnail for Leopard
    Kittle, A.; Sanei, A.; Reebin, A.; Miquelle, D.; Stein, A. B.; Watson, A.; Kekule, L. B.; Machado, R. B. & Eizirik, E. (2017). "Mapping black panthers: Macroecological...
    107 KB (10,955 words) - 02:37, 27 August 2024
  • Thumbnail for Chemical bond
    combining atoms. By the mid 19th century, Edward Frankland, F.A. Kekulé, A.S. Couper, Alexander Butlerov, and Hermann Kolbe, building on the theory of radicals...
    40 KB (4,876 words) - 20:13, 24 May 2024
  • Thumbnail for Darmstadt
    physiologist and physician; exponent of scientific materialism Friedrich August Kekulé (1829–1896), organic chemist; founded the theory of chemical structure Eugen...
    71 KB (6,147 words) - 02:08, 4 September 2024
  • Thumbnail for Albrecht Dieterich
    Crusius and Otto Ribbeck. At Bonn he studied with Franz Bücheler, Reinhard Kekulé von Stradonitz and Hermann Usener (1834–1905). Usener in 1899 became Dieterich's...
    9 KB (818 words) - 22:17, 30 August 2024
  • Leicester, Henry M. (1966). "Kekulé, Butlerov, Markovnikov: Controversies on Chemical Structure from 1860 to 1870". Kekulé Centennial. Advances in Chemistry...
    14 KB (1,528 words) - 20:39, 8 June 2024
  • Thumbnail for CPK coloring
    organic chemistry, following August Kekule's introduction of the theory of chemical structure in 1858, and Alexander Crum Brown's introduction of printed...
    29 KB (797 words) - 11:19, 1 September 2024
  • Man Afraid of His Horses, American tribal chief (b. 1836) 1896 – August Kekulé, German chemist and academic (b. 1829) 1907 – Henrik Sillem, Dutch target...
    50 KB (4,879 words) - 08:02, 5 September 2024
  • Thumbnail for Justus von Liebig
    private laboratory of Joseph Louis Gay-Lussac and was also befriended by Alexander von Humboldt and Georges Cuvier (1769–1832). Liebig's doctorate from Erlangen...
    73 KB (8,335 words) - 19:34, 5 September 2024
  • (1811–1863): Bravais lattices (1850). Friedrich August Kekulé von Stradonitz (also August Kekulé) (1829–1896): description of the carbon bonds in organic...
    81 KB (8,732 words) - 16:18, 24 May 2024