Free Catholic Resources
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How Christopher Clavius Reformed the Calendar – Science & Math Contributions (FREE PDF)
How Father Angelo Secchi Classified the Stars – Science & Math Contributions (FREE PDF)
How Father Ferdinand Verbiest Improved the Beijing Observatory – Science & Math Contributions (FREE PDF)
How Father Francesco Grimaldi Discovered the Diffraction of Light – Science & Math Contributions (FREE PDF)
How Father Jean Picard Measured the Size of Earth – Science & Math Contributions (FREE PDF)
How Father Julius Nieuwland Helped Create Synthetic Rubber – Science & Math Contributions (FREE PDF)
How Father Marin Mersenne Connected Music and Mathematics – Science & Math Contributions (FREE PDF)
How Father Matteo Ricci Shared Mathematics and Maps in China – Science & Math Contributions (FREE PDF)
How Father René Just Haüy Helped Found Crystallography – Science & Math Contributions (FREE PDF)
How Blaise Pascal Helped Create Probability – Science & Math Contributions (FREE PDF)
How Father Athanasius Kircher Explored Volcanoes and Light – Science & Math Contributions (FREE PDF)
How Father Christoph Scheiner Studied Sunspots – Science & Math Contributions (FREE PDF)
How Father Georges Lemaître Proposed the Big Bang – Science & Math Contributions (FREE PDF)
How Father Giovanni Riccioli Mapped the Moon – Science & Math Contributions (FREE PDF)
How Father Giovanni Saccheri Explored New Geometry – Science & Math Contributions (FREE PDF)
How Father Giuseppe Mercalli Measured Earthquake Intensity – Science & Math Contributions (FREE PDF)
How Father Giuseppe Piazzi Discovered Ceres – Science & Math Contributions (FREE PDF)
How Father Nicholas Callan Built a Powerful Induction Coil – Science & Math Contributions (FREE PDF)
