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Huygens, Christiaan

(Encyclopedia)Huygens, Christiaan krĭsˈtyän hoiˈgəns [key], 1629–95, Dutch mathematician and physicist; son of Constantijn Huygens. He improved telescopic lenses and discovered (1655) a satellite of Saturn a...

Huygens, Constantijn

(Encyclopedia)Huygens, Constantijn hoiˈgəns [key], 1596–1687, Dutch humanist and poet, b. The Hague; father of Christiaan Huygens. He was broadly educated in languages, law, and social protocol to follow a pub...

Eijkman, Christiaan

(Encyclopedia)Eijkman, Christiaan krĭsˈtyän īkˈmän [key], 1858–1930, Dutch physician. He was head of the Pathological Institute of Batavia and later (1898–1928) professor of hygiene at the Univ. of Utrech...

Smuts, Jan Christiaan

(Encyclopedia)Smuts, Jan Christiaan yän krĭsˈtyän smŭts [key], 1870–1950, South African statesman and soldier, b. Cape Colony. Of Boer (Afrikaner) stock but a British subject by birth, he was educated at Vic...

Barnard, Christiaan Neethling

(Encyclopedia)Barnard, Christiaan Neethling krĭsˈtēänˌ nāˈᵺĭng bärˈnərd [key], 1922–2001, South African surgeon. The son of a Dutch Reformed minister, Barnard studied medicine at the Univ. of Cape To...

Titan , in astronomy

(Encyclopedia)Titan tīˈtən [key], in astronomy, the largest of the named moons, or natural satellites, of Saturn. Also known as Saturn VI (or S6), Titan is 3,200 mi (5,150 km) in diameter, orbits Saturn at a mea...

pendulum

(Encyclopedia)pendulum, a mass, called a bob, suspended from a fixed point so that it can swing in an arc determined by its momentum and the force of gravity. The length of a pendulum is the distance from the point...

Keyser, Thomas de

(Encyclopedia)Keyser, Thomas de də kīˈzər [key], c.1596–1667, Dutch portrait and figure painter of Amsterdam. He was the outstanding practitioner in his field prior to Rembrandt. De Keyser's work is distingui...

Papin, Denis

(Encyclopedia)Papin, Denis dənēˈ päpăNˈ [key], 1647–1712?, French physicist and inventor. He was an assistant of Christian Huygens and of Robert Boyle and was professor of mathematics at the Univ. of Marbur...

Groote Schuur

(Encyclopedia)Groote Schuur khro͝oˈtə skür [key] [Afrik.,=large barn], estate, Cape Town, Western Cape, SW South Africa. The main building of the estate, which is a good example of Dutch colonial architecture, ...

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