The letter to the Grand Duchess Christina is an essay written in 1615 by Galileo Galilei. The intention of this letter was to accommodate Copernicanism with the doctrines of the Catholic Church. Galil
Cover of Galileo's Letter to the Grand Duchess Christina, printing of 1705
Tiberio Titi – Portrait of Christine of Lorraine Medici, 1600
Justus Sustermans – Portrait of Galileo Galilei, 1636
Cosimo II de' Medici
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Cosimo II de' Medici was Grand Duke of Tuscany from 1609 until his death. He was the elder son of Ferdinando I de' Medici, Grand Duke of Tuscany, and Christina of Lorraine.
Letter to the Grand Duchess Christina
…Benedictine monk and lecturer in mathematics at the University of Pisa, wrote to Galileo about the events at a recent breakfast in Pisa with the Grand Duke Cosimo II de' Medici. In the course of conversation at the breakfast Cosimo Boscaglia, a professor of philosophy, argued that the motion of the Earth could not be true…
Cosimo II after Justus Sustermans
Cristofano Allori: Cosimo II
Portrait of Cosimo II de' Medici, 17th century, National Museum in Kraków
Dedication to Medici in volume I of "Opere di Galileo Galilei" (1718)