Columbia Encyclopedia

Search results

500 results found

Nägeli, Karl Wilhelm von

(Encyclopedia)Nägeli or Naegeli, Karl Wilhelm von both: kärl vĭlˈhĕlm fən nāˈgəlē [key], 1817–91, Swiss botanist. He was professor at the Univ. of Munich from 1858 and was noted especially for his work ...

Hecker, Friedrich Franz Karl

(Encyclopedia)Hecker, Friedrich Franz Karl frēˈdrĭkh fränts kärl hĕkˈər [key], 1811–81, German revolutionary. A lawyer, he was a leader of the radical republicans in the grand duchy of Baden and during th...

Dittersdorf, Karl Ditters von

(Encyclopedia)Dittersdorf, Karl Ditters von dĭtˈərs fən dĭtˈərsdôrf [key], 1739–99, Austrian composer and violinist. He was a successful opera and symphony composer in Vienna and an important precursor of...

Drude, Paul Karl Ludwig

(Encyclopedia)Drude, Paul Karl Ludwig poul kärl lo͝otˈvĭkh dro͞oˈdə [key], 1863–1906, German physicist. Drude first experimented with the physical determinants of optical constants, measuring the optical c...

Savigny, Friedrich Karl von

(Encyclopedia)Savigny, Friedrich Karl von frēˈdrĭkh kärl fən säˈvĭnyē [key], 1779–1861, German jurist and legal historian, a founder of the historical school of jurisprudence. He taught (1810–42) Roman...

Siegbahn, Karl Manne Georg

(Encyclopedia)Siegbahn, Karl Manne Georg, 1886–1978, Swedish physicist. In 1913, he began a series of experiments that led to the discovery of the M series of X rays and demonstrated the shell arrangement of elec...

Popper, Sir Karl Raimund

(Encyclopedia)Popper, Sir Karl Raimund, 1902–94, Anglo-Austrian philosopher, b. Vienna. He became familiar with the Vienna circle of logical positivists (see logical positivism) while a student at the Univ. of Vi...

Baer, Karl Ernst von

(Encyclopedia)Baer, Karl Ernst von, 1792–1876, Estonian biologist. He was a professor at Würzburg and Königsberg and from 1834 at St. Petersburg. Considered a founder of modern embryology, he discovered the not...

Nesselrode, Karl Robert, Count

(Encyclopedia)Nesselrode, Karl Robert, Count kärl rōˈbĕrt nyĕsĕlrôˈdyĭ [key], 1780–1862, Russian statesman of German descent, b. Lisbon. He entered diplomatic service under Czar Alexander I, became state...

Browse by Subject