"The Grand Duke [of Tuscany] ...after observing the Medicaean plants several times with me ... has now invited me to attach myself to him with the annual salary of one thousand florins, and with the title of Philosopher and Principal Mathematicial to His Highness; without the duties of office to perform, but with the most complete leisure; so that I can complete my Treatises."

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Source: Letter to Fr. Vincenzo Renieri, 1633.

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Galileo Galilei

Astronomer, Physicist

Galileo Galilei was an Italian astronomer and physicist known for his pioneering work in heliocentrism and the scientific method.

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