Niels Bohr was born and educated in Copenhagen, Denmark. He lived, worked, and died there, too. But his mark on science and history was worldwide. His professional work and personal convictions ...

In 1913, Niels Bohr revised Rutherford's model by suggesting that the electrons ... using a sheet of beryllium and a paraffin block instead of gold foil. He was able to prove that a proton-sized ...