Galileo Galilei

1564 - 1642

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Galileo di Vincenzo Bonaiuti de' Galilei ( GAL-il-AY-oh GAL-il-AY-ee, -⁠EE-oh -⁠, Italian: [ɡaliˈlɛːo ɡaliˈlɛi]; 15 February 1564 – 8 January 1642) was an astronomer, physicist and engineer, sometimes described as a polymath, from Pisa, in modern-day Italy. Galileo has been called the "father of observational astronomy", the "father of modern physics", the "father of the scientific method", and the "father of modern science".Galileo studied speed and velocity, gravity and free fall, the principle of relativity, inertia, projectile motion and also worked in applied science and technology, describing the properties of pendulums and "hydrostatic balances". He invented the thermoscope and various military compasses, and used the telescope for scientific observations of celestial objects. Read more on Wikipedia

Since 2007, the English Wikipedia page of Galileo Galilei has received more than 13,941,129 page views. His biography is available in 183 different languages on Wikipedia (up from 179 in 2019). Galileo Galilei is the most popular astronomer, the 3rd most popular biography from Italy (up from 4th in 2019) and the most popular Italian Astronomer.

Galileo Galilei is most famous for his contributions to the field of astronomy. He was the first person to use a telescope and make observations of the night sky. His observations led him to conclude that the earth revolves around the sun, which contradicted the prevailing view that the earth was the center of the universe.

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Among astronomers, Galileo Galilei ranks 1 out of 532After him are Nicolaus Copernicus, Giordano Bruno, Ptolemy, Johannes Kepler, Tycho Brahe, Anders Celsius, Edwin Hubble, Aristarchus of Samos, William Herschel, Ulugh Beg, and Hipparchus.

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Among people born in 1564, Galileo Galilei ranks 1After him are William Shakespeare, Pieter Brueghel the Younger, Christopher Marlowe, William Adams, Paulo Miki, David Fabricius, Hans Leo Hassler, Ahmad Sirhindi, Francisco Pacheco, Joos de Momper, and Henry Julius, Duke of Brunswick-Lüneburg. Among people deceased in 1642, Galileo Galilei ranks 1After him are Cardinal Richelieu, Marie de' Medici, Guido Reni, Saskia van Uylenburgh, Safi of Persia, Dmitry Pozharsky, Henri Coiffier de Ruzé, Marquis of Cinq-Mars, Pieter van Laer, and Friedrich Kettler.

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In Italy

Among people born in Italy, Galileo Galilei ranks 3 out of 4,088Before him are Leonardo da Vinci (1452) and Julius Caesar (-100). After him are Marco Polo (1254), Michelangelo (1475), Christopher Columbus (1451), Archimedes (-287), Augustus (-63), Dante Alighieri (1265), Raphael (1483), Antonio Vivaldi (1678), and Niccolò Machiavelli (1469).


Among astronomers born in Italy, Galileo Galilei ranks 1After him are Giordano Bruno (1548), Giovanni Domenico Cassini (1625), Giuseppe Piazzi (1746), Giovanni Schiaparelli (1835), Paolo dal Pozzo Toscanelli (1397), Riccardo Giacconi (1931), Girolamo Fracastoro (1476), Angelo Secchi (1818), Annibale de Gasparis (1819), Giovanni Battista Riccioli (1598), and Luigi Ferdinando Marsili (1658).