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Slatin, Rudolf Carl, Freiherr von

(Encyclopedia)Slatin, Rudolf Carl, Freiherr von päˈshä [key], 1857–1932, Austrian adventurer in British and Egyptian service. Called to Egypt by C. G. Gordon, Slatin became governor of Dara (1879) and governor...

Welsbach, Carl Auer, Baron von

(Encyclopedia)Welsbach, Carl Auer, Baron von kärl ouˈər bärōnˈ fən vĕlsˈbäkh [key], 1858–1929, Austrian chemist. He discovered the rare earth elements neodymium and praseodymium (1885) and lutetium (c.1...

digital art

(Encyclopedia)digital art, contemporary art in which computer technology is used in a wide variety of ways to make distinctive works. Digital art was pioneered in the 1970s but only came into its own as a viable ar...

Mierevelt, Michiel Janszen van

(Encyclopedia)Mierevelt, Miereveld, or Miereveldt, Michiel Janszen van all: mēkhēlˈ yänˈsən vän mēˈrəvĕlt [key], 1567–1641, Dutch portrait painter. He was court painter to the house of Orange, working ...

Keppel, Arnold Joost van

(Encyclopedia)Keppel, Arnold Joost van: see Albemarle, Arnold Joost van Keppel, 1st earl of. ...

Helmont, Jan Baptista van

(Encyclopedia)Helmont, Jan Baptista van yän bäptĭsˈtä vän hĕlˈmônt [key], 1577–1644, Flemish physician, chemist, and physicist. He attributed physiological changes to chemical causes, but his conclusions...

Helst, Bartholomeus van der

(Encyclopedia)Helst, Bartholomeus van der bärˌtōlōmāˈəs vän dər hĕlst [key], 1613–70, Dutch portrait painter. In Amsterdam the wealthy citizens preferred his flattering, tasteful portraits to those of R...

Heyden, Jan van der

(Encyclopedia)Heyden, Jan van der yän vän dər hīˈdən [key], 1637–1712, Dutch architectural and landscape painter. He worked chiefly in Amsterdam. His charming pictures of towns, buildings, and public square...

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