• Thumbnail for Benedetto Castelli
    Benedetto Castelli (1578 – 9 April 1643), born Antonio Castelli, was an Italian mathematician. Benedetto was his name in religion on entering the Benedictine...
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  • Galileo Galilei's Letter to Benedetto Castelli (1613) was his first statement on the authority of scripture and the Catholic Church in matters of scientific...
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  • Thumbnail for Hydraulics
    made to play different rhythms and different drum patterns. In 1619 Benedetto Castelli, a student of Galileo Galilei, published the book Della Misura dell'Acque...
    23 KB (2,548 words) - 19:01, 30 January 2024
  • the Roman Inquisition a copy of Galileo's letter to Benedetto Castelli. Letter to Benedetto Castelli "Galileo Portal: Niccolò Lorini 1544 -c. 1617". portalegalileo...
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  • Thumbnail for Helioscope
    observing the Sun and sunspots. The helioscope was first used by Benedetto Castelli (1578-1643) and refined by Galileo Galilei (1564–1642). The method...
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  • administrator and politician Benedetto Cairoli (1825–1889), Italian statesman Benedetto Castelli (1578–1643), Italian mathematician Benedetto Cotrugli (1416–1469)...
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  • Thumbnail for Mizar and Alcor
    but it had already been observed in exactly the same position by Benedetto Castelli (1577–1643) approximately a century earlier in 1616, which indicated...
    14 KB (1,731 words) - 10:34, 9 March 2024
  • Thumbnail for Galileo affair
    former student Benedetto Castelli, now a professor of mathematics and Benedictine abbot. The exchange having been reported to Galileo by Castelli, Galileo decided...
    97 KB (10,397 words) - 20:32, 27 April 2024
  • Bartolomeo Castelli (1650–1730), Roman Catholic Bishop of Mazara del Vallo Benedetto Castelli (1577–1643), Italian mathematician Bernardino Castelli (1750–1810)...
    3 KB (432 words) - 12:57, 19 October 2023
  • Thumbnail for Evangelista Torricelli
    Benedictine monk Benedetto Castelli, professor of mathematics at the Collegio della Sapienza (now known as the Sapienza University of Rome). Castelli was a student...
    27 KB (3,062 words) - 16:26, 21 March 2024
  • Thumbnail for Galileo Galilei
    followers, Benedetto Castelli, with biblical objections to the motion of the Earth. Prompted by this incident, Galileo wrote a letter to Castelli in which...
    133 KB (16,374 words) - 13:17, 10 May 2024
  • His father encouraged him to study law in Pisa, entrusting him to Benedetto Castelli (1577/1578–1643). In 1629, he married Sestilia Bocchineri (c. 1610–1669)...
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  • Thumbnail for Ferdinando Cesarini
    corresponded with Benedetto Castelli (1577/8-1643), who described the Galilean thermoscope to him in a letter of September 20, 1638. Father Castelli also invited...
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  • Thumbnail for Francesco Fontana
    Starting in 1637 then, Fontana sent numerous lenses for inspection to Benedetto Castelli – the renowned pupil and collaborator of Galileo – who was staying...
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  • Thumbnail for Giovanni Alfonso Borelli
    Borelli eventually traveled to Rome where he studied physics under Benedetto Castelli, matriculating in mathematics at Sapienza University of Rome. From...
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  • Thumbnail for Projector
    the magic lantern Christiaan Huygens. In 1612 Italian mathematician Benedetto Castelli wrote to his mentor, the Italian astronomer, physicist, engineer,...
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  • Galileo Galilei produces the first (Galileo) thermometer. 1619 – Benedetto Castelli published Della Misura dell'Acque Correnti ("On the Measurement of...
    40 KB (4,193 words) - 14:28, 2 March 2024
  • dei Patriarchi) Perledo (Castello di Vezio) or Menaggio (L'Angolo Benedetto Castelli) Tremezzo (Teresio Olivelli Park) Episode summary At the start of...
    73 KB (6,724 words) - 22:01, 26 March 2024
  • Thumbnail for Mizar
    Mizar was the first telescopic binary discovered, most probably by Benedetto Castelli who in 1617 asked Galileo Galilei to observe it. Galileo then produced...
    24 KB (2,170 words) - 22:56, 23 January 2024
  • Thumbnail for Phases of Venus
    December of 1610, Galileo received a letter from fellow scientist Benedetto Castelli, asking if the phases of Venus were observable through Galileo's new...
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  • visual binaries. Mizar, in Ursa Major, was observed to be double by Benedetto Castelli and Galileo. The identification of other doubles soon followed: Robert...
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  • Thumbnail for Moon illusion
    Pecham (~1280), Leonardo da Vinci (~1500), René Descartes (1637), Benedetto Castelli (1639), Pierre Gassendi (1642), Thomas Hobbes (1655), J. Rohault (1671)...
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  • Thumbnail for Camera obscura
    obscura into camera obscura telescopy. In 1612, Italian mathematician Benedetto Castelli wrote to his mentor, the Italian astronomer, physicist, engineer,...
    77 KB (8,484 words) - 07:07, 4 May 2024
  • Thumbnail for Binary star
    double by Giovanni Battista Riccioli in 1650 (and probably earlier by Benedetto Castelli and Galileo). The bright southern star Acrux, in the Southern Cross...
    68 KB (8,144 words) - 08:14, 5 May 2024
  • Thumbnail for Star system
    Battista Riccioli, p. 1 but it was probably observed earlier, by Benedetto Castelli and Galileo.[citation needed] Later, spectroscopy of its components...
    41 KB (4,555 words) - 15:33, 8 May 2024
  • Lombardian wine. Pio Chiaruttini (1901–1985), businessman and inventor Benedetto Castelli (1578–1643), mathematician Paolo Bolpagni (b. 1981), art historian...
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  • Thumbnail for Niccolò Aggiunti
    Sansepolcro – 1635) was an Italian mathematician. He studied in Pisa under Benedetto Castelli. After receiving his degree in 1621, he became a teacher of Ferdinando...
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  • and Ugo Cerletti, psychiatrists Corrado Böhm, computer scientist Benedetto Castelli, mathematician Andrea Cesalpino, physician and botanist Federigo Enriques...
    33 KB (2,160 words) - 11:02, 10 May 2024
  • Thumbnail for Letter to the Grand Duchess Christina
    the remainder of the year. Late in 1613, Galileo's former student Benedetto Castelli, a Benedictine monk and lecturer in mathematics at the University...
    13 KB (1,831 words) - 03:07, 15 April 2024
  • Beltrami Enrico Bombieri Giovanni Alfonso Borelli Sergio Campanato Benedetto Castelli Corrado De Concini Ennio De Giorgi Luigi Guido Grandi Alessandro Marchetti...
    33 KB (3,571 words) - 23:57, 30 March 2024