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Hooke, Robert

(Encyclopedia) Hooke, Robert ho͝ok [key], 1635–1703, English physicist, mathematician, and inventor. He became curator of experiments for the Royal Society (1662), professor of geometry at Gresham College (1665),...

Hooke's law

(Encyclopedia) Hooke's law: see elasticity.

elasticity

(Encyclopedia) elasticity, the ability of a body to resist a distorting influence or stress and to return to its original size and shape when the stress is removed. All solids are elastic for small enough deformatio...

Tompion, Thomas

(Encyclopedia) Tompion, Thomas, 1639?–1713, English clockmaker. When the Royal Observatory at Greenwich was established in 1676, Tompion was chosen to make two clocks, to be wound only once a year, which proved to...

Adam, Robert

(Encyclopedia) Adam, Robert ădˈəm [key], 1728–92, and James Adam, 1730–94, Scottish architects, brothers. They designed important public and private buildings in England and Scotland and numerous interiors, p...

Indiana, Robert

(Encyclopedia) Indiana, Robert ĭnˌdē-ănˈə [key], 1928–2018, American pop artist, b. New Castle, Ind., as Robert Clark. A leading figure in the pop art movement of the 1960s, he specialized in making signs in...

Robert Guiscard

(Encyclopedia) Robert Guiscard gēskärˈ [key], c.1015–1085, Norman conqueror of S Italy, a son of Tancred de Hauteville (see Normans). Robert joined (c.1046) his brothers in S Italy and fought with them to expel...