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10 facts about Galileo Galilei

By Matt Dorville


One of the most prolific scientists of all time, Galileo’s life and accomplishments has been studied and written about in detail for centuries. From his discovery of the moons of Jupiter to his fight with Pope Urban VIII, noted authors and playwrights have been fascinated with both Galileo’s life and contributions. With the addition of the Galileo Galilei article to Oxford Bibliographies in the Renaissance and Reformation, I’d like to share 10 interesting facts about Galileo.

  1. Galileo was have said to drop two cannon balls of different masses from the leaning tower of Pisa to demonstrate that their speed of descent was independent of their mass. Many people believe this story to be untrue since its only source was Galileo’s secretary.
  2. Galileo never married and had all his children out of wedlock with Marina Gambia, whom he met on a trip to Venice.
  3. While many remember Galileo’s confrontation with the church, many forget that both his daughters joined the convent of San Matteo in Arcetri and remained there for the rest of their lives. Galileo even went as far as help out in the convent, repairing windows and making sure that the convent clock was in order.
  4. Joseph Nicolas Robert-Fleury painted “Galileo before the Holy Office,” a representation of the scientist speaking before the clergy currently on display at the Luxembourg Museum.
  5. Galileo was an accomplished lutenist, learning from his father, Vincenzo Galilei, who was a composer and music theorist.
  6. While Galileo firmly believed in Copernicus’s theory that the Earth was not the center of the universe, he did not believe in his Kepler’s theory that the moon caused the tides.
  7. In the last year of his life, when he was totally blind, Galileo designed an escapement mechanism for a pendulum clock called Galileo’s escapement.
  8. German dramatist Bertolt Brecht wrote a play about Galileo entitled Life of Galileo which first appeared on Broadway in 1947 with Charles Laughton as the title character. Brecht worked closely with Laughton and re-worked the final version of the play with him. The play was adapted to the screen in 1975 with Chaim Topol (listed as Topol) as the lead and Sir John Gielgud as a Cardinal Inquisitor. The latest revival of the play is a 2012 off-Broadway production in which F. Murray Abraham played the lead role.
  9. The song “Galileo” is the biggest hit of the folk group Indigo Girls. The song is about reincarnation through the lens of the story of Galileo’s role in the scientific revolution.
  10. The middle finger of Galileo’s right hand is currently on exhibition at the Museo Galileo in Florence, Italy.

Matt Dorville works at Oxford University Press and is co-Founder of Critics and Writers, a site that aggregates book reviews, follows writers on tour, and highlights independent bookstores.

Developed cooperatively with scholars and librarians worldwide, Oxford Bibliographies offers exclusive, authoritative research guides. Combining the best features of an annotated bibliography and a high-level encyclopedia, this cutting-edge resource guides researchers to the best available scholarship across a wide variety of subjects.

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Image credit: Portrait of Galileo Galilei, 1636, by Justus Sustermans. Public domain via Wikimedia Commons.

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3 Responses to “10 facts about Galileo Galilei”
  1. holly taber says:

    I think Galileo is a very important man im doing a project and I think this helped a lot and im going to use u in my bibliography
    btw im in collage so everyone will look you up

  2. Tim says:

    @HollyTaber, I’d just like to let you know that the word you were looking for was college; collage is a collection of pictures. You’re in college?

  3. Tyla Ing says:

    This is actually really helpful despite the fact it isn’t all date of birth, what hes famous for, died and whatnot so thank you.

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