Photo: Niels Bohr's research notes for his new atomic theory Rutherford's find came from a very strange experience. Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly ...

NMAH copy purchased with funds from the S. Dillon Ripley Endowment. This comprehensive scientific history presents for the first time a detailed and comprehensive study of the Bohr atom in all its ...

The Theory of Spectra and Atomic Constitution: Three Essays. By Prof. Niels Bohr — The beautiful conception which inspires and co-ordinates practically the whole of modern atomic physics is the atomic ...

The Danish physicist and Nobel laureate Aage Niels Bohr died on 8 September at the age of 87. The son of quantum-physics pioneer Niels Bohr, Aage himself made critical contributions to the structure ...

Niels Bohr’s towering role in the history of physics can be difficult to appreciate. Robert P Crease explains why Man of integrity In his book Niels Bohr’s Times, the physicist Abraham Pais captures a ...