Columbia Encyclopedia
Search results
410 results found
number theory
(Encyclopedia)number theory, branch of mathematics concerned with the properties of the integers (the numbers 0, 1, −1, 2, −2, 3, −3, …). An important area in number theory is the analysis of prime number...Bülow, Friedrich Wilhelm, Freiherr von
(Encyclopedia)Bülow, Friedrich Wilhelm, Freiherr von fən büˈlō [key], 1755–1816, Prussian general in the Napoleonic Wars. After his victories (1813) over the French at Gross Beeren and at Dennewitz he was c...Kekulé von Stradonitz, Friedrich August
(Encyclopedia)Kekulé von Stradonitz, Friedrich August frēˈdrĭkh ouˈgo͝ost kāˈko͞olā fən shträˈdōnĭts [key], 1829–96, German organic chemist. He was professor at Ghent (1858–65) and at Bonn from 1...Menzel, Adolph Friedrich Erdmann von
(Encyclopedia)Menzel, Adolph Friedrich Erdmann von äˈdôlf frēˈdrĭkh ĕrtˈmän fən mĕnˈtsəl [key], 1815–1905, German painter and illustrator. Self-taught, Menzel made lithographic illustrations for Goet...Leuckart, Karl Georg Friedrich Rudolf
(Encyclopedia)Leuckart, Karl Georg Friedrich Rudolf kärl gāˈôrk frēˈdrĭkh ro͞oˈdôlf loiˈkärt [key], 1823–98, German zoologist, a founder of the science of parasitology. He made important discoveries i...Friedrich Schiller University of Jena
(Encyclopedia)Friedrich Schiller University of Jena frēˈdrĭkh shĭlˈər, yāˈnə [key], at Jena, Germany; founded 1548 as an academy; became the Univ. of Jena 10 years later. The school gained an international...Schelling, Friedrich Wilhelm Joseph von
(Encyclopedia)Schelling, Friedrich Wilhelm Joseph von frēˈdrĭkh vĭlˈhĕlm yōˈzĕf fən shĕˈlĭng [key], 1775–1854, German philosopher. After theological study at Tübingen and two years of tutoring at Le...Seydlitz, Friedrich Wilhelm, Freiherr von
(Encyclopedia)Seydlitz, Friedrich Wilhelm, Freiherr von frēˈdrĭkh vĭlˈhĕlm frīˈhĕr fən zīdˈlĭts [key], 1721–73, Prussian general under Frederick II. He helped restore the effectiveness of the Prussia...Tischendorf, Lobegott Friedrich Konstantin von
(Encyclopedia)Tischendorf, Lobegott Friedrich Konstantin von lōˈbəgôt frēˈdrĭkh kônˈstäntēn fən tĭshˈəndôrf [key], 1815–74, German biblical critic. In 1844 he discovered in the monastery of St. Ca...Steuben, Friedrich Wilhelm, Baron von
(Encyclopedia)Steuben, Friedrich Wilhelm, Baron von styo͞oˈbən, Ger. frēˈdrĭkh vĭlˈhĕlm bärōnˈ fən shtoiˈbən [key], 1730–94, Prussian army officer, general in the American Revolution, b. Magdeburg....Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
- Places +-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-