• Thumbnail for Roald Hoffmann
    Roald Hoffmann (born Roald Safran; July 18, 1937) is a Polish-American theoretical chemist who won the 1981 Nobel Prize in Chemistry. He has also published...
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  • Thumbnail for Robert Burns Woodward
    determination of their molecular structure. He worked closely with Roald Hoffmann on theoretical studies of chemical reactions. He was awarded the Nobel...
    30 KB (3,392 words) - 02:15, 19 January 2025
  • Reichsgau Danzig-West Prussia, Germany (today Poland), Peace, 1983 Roald Hoffmann*, born in Złoczów Poland (now in Ukraine), Chemistry, 1981 Czesław Miłosz*...
    79 KB (8,072 words) - 23:26, 15 April 2025
  • Thumbnail for Coordination complex
    Rossi; Roald. Hoffmann (1975). "Transition metal pentacoordination". Inorganic Chemistry. 14 (2): 365–374. doi:10.1021/ic50144a032. Roald. Hoffmann; Barbara...
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  • Thumbnail for Woodward–Hoffmann rules
    The Woodward–Hoffmann rules (or the pericyclic selection rules) are a set of rules devised by Robert Burns Woodward and Roald Hoffmann to rationalize...
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  • Randall, economist Thomas Sowell, mathematician Paul Cohen, chemist Roald Hoffmann, biologist Eric Lander, Oscar-winning actor James Cagney, comedian Billy...
    116 KB (9,944 words) - 15:55, 18 April 2025
  • σ-electrons, known as the extended Hückel method (EHM), was developed by Roald Hoffmann. The extended Hückel method gives some degree of quantitative accuracy...
    45 KB (7,290 words) - 11:01, 17 January 2025
  • Hückel method is a semiempirical quantum chemistry method, developed by Roald Hoffmann since 1963. It is based on the Hückel method but, while the original...
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  • Thumbnail for William Lipscomb
    but chemically related molecules,..." Subsequent Nobel Prize winner Roald Hoffmann was a doctoral student in Lipscomb's laboratory. Under Lipscomb's direction...
    62 KB (5,965 words) - 05:55, 11 March 2025
  • Roy G. Gordon [Wikidata] 1971 R. Bruce King 1970 Harry B. Gray 1969 Roald Hoffmann 1968 Orville L. Chapman [de] 1967 John D. Baldeschwieler 1966 Ronald...
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  • Thumbnail for Isolobal principle
    in order to predict bonding properties of organometallic compounds. Roald Hoffmann described molecular fragments as isolobal "if the number, symmetry properties...
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  • Thumbnail for Joy Goswami
    remains obscure abroad, despite some translations by 1981 Nobel laureate Roald Hoffmann. His poetry collections, short stories and novels have won several awards...
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  • Thumbnail for Don Showalter
    of Chemistry, opposite with series host, Nobel prize winner Roald Hoffmann. While Hoffmann introduced a series of concepts and ideas, Showalter provided...
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  • Thumbnail for Chemical bonding of water
    nonetheless provides a in-depth model for chemical bonds. In the words of Roald Hoffmann: "Taken together, MO and VB theories constitute not an arsenal, but...
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  • orbital symmetry. Acc. Chem. Res., Volume 1, Issue 1, 1968, Pages 17–22 Roald Hoffmann and Robert B. Woodward doi:10.1021/ar50001a003 Fleming, Ian. Frontier...
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  • year; wrote the first draft of the Macintosh User Interface Guidelines Roald Hoffmann (born 1937), chemist and writer, Nobel Prize winner (1981) Josef Hofmann...
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  • magician and writer Ralph Hoffmann (1870–1932), American ornithologist Reinhild Hoffmann (born 1943), German choreographer Roald Hoffmann (born 1937), Polish-American...
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  • Thumbnail for Fritz Haber
    written by Stoltzenberg. Friedrich, Bretislav; Hoffmann, Dieter (2017), Friedrich, Bretislav; Hoffmann, Dieter; Renn, Jürgen; Schmaltz, Florian (eds.)...
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  • Thumbnail for List of Jewish American chemists
    (1980) Herbert A. Hauptman (1917–2011), chemist, Nobel Prize (1985) Roald Hoffmann (born 1937), chemist and writer, Nobel Prize winner (1981) Martin Kamen...
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  • Thumbnail for Roald (name)
    resistance member Roald Aga Haug (born 1972), Norwegian politician Roald Hoffmann (born 1937), American theoretical chemist Roald Jensen (1943–1987)...
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  • Thumbnail for List of things named after Roald Amundsen
    Norwegian cruise ship Roald Amundsen, German brig Roald Dahl, British author Roald Hoffmann, American chemist and Nobel Prize laureate Roald Sagdeev, Russian...
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  • Safran (born 1965), American film producer and manager Roald Safran (birth name of Roald Hoffmann, born 1937), American theoretical chemist who won the...
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  • Gerhard Herzberg 1972 – E. Bright Wilson 1973 – E. J. Corey 1974 – Roald Hoffmann 1975 – Paul Doughty Bartlett 1976 – F. Albert Cotton 1977 – John A....
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  • Nothingness, or Fluid Dynamics. Speakers have included Oliver Sacks and Roald Hoffmann. 1984, Exploratorium's Public Understanding of Science Award, presented...
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  • Thumbnail for List of Nobel laureates
    Nicolaas Bloembergen; Arthur Leonard Schawlow; Kai Siegbahn Kenichi Fukui; Roald Hoffmann Roger Wolcott Sperry; David H. Hubel; Torsten Wiesel Elias Canetti United...
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  • in 1991. While an undergraduate student, he worked alongside Prof. Roald Hoffmann on the application of molecular orbital theory in determining solid-state...
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  • Thumbnail for List of nonreligious Nobel laureates
    and freethinkers as religiously Jewish. For example, Milton Friedman, Roald Hoffmann, Richard Feynman, Niels Bohr, Élie Metchnikoff, and Rita Levi-Montalcini...
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  • Thumbnail for Poland
    Leonid Hurwicz, Alfred Tarski, Joseph Rotblat and Nobel Prize laureates Roald Hoffmann, Georges Charpak and Tadeusz Reichstein. Poland has a population of...
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  • Thumbnail for Casimir Funk
    expert on structural biology. Past winners have included Nobel Laureate Roald Hoffmann, Aleksander Wolszczan, Hilary Koprowski, Peter T. Wolczanski, Wacław...
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  • Thumbnail for Carl Djerassi
    priority struggles in the history of science, Oxygen (co-authored with Roald Hoffmann, 1999) and Calculus (2002), and a drama at the intersection of chemistry...
    49 KB (5,003 words) - 13:48, 25 December 2024