Collection items

Showing 3 results

  • Copernicus' celestial spheres


    Since the time of Aristotle in the 5th century BCE, western learning advocated that heavenly bodies revolved around the...

  • Newton's Principia Mathematica


    Sir Isaac Newton (1642–1727) not only proposed the law of gravity and the three laws of motion, but he is also credited ...

  • Petrarch, Opuscula varia


    Petrarch (d. 1374) is widely considered the father of Renaissance humanism, a cultural movement characterized by a renew...