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Harpestreng, Henrik

(Encyclopedia)Harpestreng, Henrik, or Henricus Dacus, d. 1244, Danish herbalist and medical writer. He probably studied at the medical school in Salerno, and was a canon at Roskilde Cathedral, then Denmark's eccles...

Koivisto, Mauno Henrik

(Encyclopedia)Koivisto, Mauno Henrik mouˈnō hĕnˈrĭk koiˈvēstō [key], 1923–2017, Finnish politician. He was director of the Helsinki Workers' Savings Bank (1959–68) and then governor of the Bank of Finla...

Drachmann, Holger Henrik Herholdt

(Encyclopedia)Drachmann, Holger Henrik Herholdt hŏlˈgər hănrēkˈ hărˈhŏlt dräkhˈmän [key], 1846–1908, Danish poet and dramatist. His early work was influenced by the political realism of Georg Brandes,...

Ibsen, Henrik

(Encyclopedia)Ibsen, Henrik hĕnˈrĭk ĭbˈsən [key], 1828–1906, Norwegian dramatist and poet. His early years were lonely and miserable. Distressed by the consequences of his family's financial ruin and on his...

Jørgensen, Anker Henrik

(Encyclopedia)Jørgensen, Anker Henrik, 1922–2016, Danish political leader, prime minister of Denmark (1972–73, 1975–82), b. Copenhagen. A trade union leader and a member of the Social Democratic party (SDP),...

Ritz, Walter

(Encyclopedia)Ritz, Walter, 1878–1909, Swiss physicist. He taught at the universities of Zürich and Göttingen. Ritz's combination principle, confirmed by later research, stated that the frequencies of spectral ...

complementarity principle

(Encyclopedia)complementarity principle, physical principle enunciated by Niels Bohr in 1928 stating that certain physical concepts are complementary. If two concepts are complementary, an experiment that clearly i...

Riccio, David

(Encyclopedia)Riccio, David: see Rizzio, David. ...

Bethune, David

(Encyclopedia)Bethune, David: see Beaton, David. ...

Trimble, David

(Encyclopedia)Trimble, David: see Trimble of Lisnagarvey, William David Trimble, Baron. ...