Borned in 1885 in an intellectual family with two siblings, one of them was Harald Bohr, a then famous mathematician as well, Niels Bohr came to school at the age of 6 and spent 12 years for his primary and secondary education. Though he had never been top of the class, Bohr and his brother soon became fascinated by mathematics and physics, mainly influenced by their father.

The next few years at the University of Copenhagen, Bohr wrote his first paper, in which he analysed the vibrations of water jets, and he was later awarded a gold medal by the Royal Danish Academy of Sciences for that...