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Galileo

(Encyclopedia)Galileo (Galileo Galilei) gălˌĭlēˈō; gälēlĕˈō gälēlĕˈē, 1564–1642, great Italian astronomer, mathematician, and physicist. By his persistent investigation of natural laws he laid fou...

Ferraris, Galileo

(Encyclopedia)Ferraris, Galileo gälēlāˈō fār-räˈrēs [key], 1847–97, Italian physicist and electrical engineer. He is noted for his work on alternating current and for his discovery (1885) of the rotary m...

Stevin, Simon

(Encyclopedia)Stevin, Simon sēˈmôn stəvīnˈ [key], 1548–1620, Dutch engineer and mathematician. His experiments in hydrostatics showed that the pressure exerted by a liquid is dependent only on its vertical ...

Benedetti, Giovanni Battista

(Encyclopedia)Benedetti, Giovanni Battista jōvänˈnē bät-tēsˈtä bānādĕtˈtē [key], 1530–90, Italian mathematician and physicist. An important forerunner of Galileo, Benedetti had diverse interests, inc...

Torricelli, Evangelista

(Encyclopedia)Torricelli, Evangelista āvänjālēˈstä tōr-rēchĕlˈlē [key], 1608–47, Italian physicist and mathematician. He was Galileo's secretary (1641–42) and his successor as professor of philosophy...

Urban VIII

(Encyclopedia)Urban VIII, 1568–1644, pope (1623–44), a Florentine named Maffeo Barberini; successor of Gregory XV. Throughout his pontificate the Thirty Years War raged in Germany. For various political reasons...

Medici, Ferdinand II de'

(Encyclopedia)Medici, Ferdinand II de', 1610–70, grand duke of Tuscany (1620–70); son and successor of Cosimo II de' Medici. A pupil of Galileo, he founded (1657) the Accademia del Cimento, the first European a...

Galilei, Vincenzo

(Encyclopedia)Galilei, Vincenzo vēnchĕnˈtsō gälēlĕˈē [key], d. 1591, Italian lutenist, singer, writer, and composer; father of Galileo. As a member of the Florentine camerata (see opera), he was one of the...

Piloty, Karl von

(Encyclopedia)Piloty, Karl von kärl fən pēlōˈtē [key], 1826–86, German historical painter; son of Ferdinand Piloty (1786–1844), a noted German lithographer. Karl first won recognition for his genre painti...

Medici, Cosimo II de'

(Encyclopedia)Medici, Cosimo II de', 1590–1621, grand duke of Tuscany (1609–21); son and successor of Ferdinand I de' Medici. Although Cosimo played a role in the War of the Mantuan Succession, he generally avo...

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