“If quantum mechanics hasn’t profoundly shocked you, you haven’t understood it yet.” – Niels Bohr On October 7, 1885, Niels Bohr was born in Copenhagen. In 1913, physicist Niels Bohr suggested that the electrons were confined into clearly defined, quantized orbits, and could jump between these, but could not freely spiral inward or outward in… More Niels Bohr was born on October 7, 1885.