Discovered Jupiter's 4 largest moons ; named the "Galilean Moons"
Has been called the "Father of Observational Astronomy"
Wrote "The Assayer": About an exposition of the new scientific method
Invented what is now known as "Pascal's Triangle" in mathematics
He clarified the concepts of pressure
Pencées is a book of Blaise Pascal's collected theology and philosophy
Founder of Modern Chemistry
Wrote "The Sceptical Chymist": His hypothesis of atoms & atom clusters
Boyle's Law: Explains gas pressure
Wrote "On Monsters and Marvels": Attempting to explain brith defects
Designed a number of artifical limbs, even an eye
Paved the way for vast improvements in surgical care
Skilled at doing mental calculations
Introduced the infinity symbol/lemniscate
Wrote "Arithmetica Infinitorum"