In 1927 a Roman Catholic priest and scientist Georges Lemaitre proposed what later became known as the Big Bang theory of the origin of the Universe, based on work by Edwin Hubble who theorized and then proved that the Universe was getting bigger and bigger. Many scientists have discovered other...

Immanuel Kant, a key figure in the field of philosophy, was born in what is now Germany. He grew up in a Lutheran household, part of a family that particularly emphasized piety and vigorous religious devotion. At the age of 16, he enrolled at the University of Konigsberg, and went on to spend his...