Rutherford and Bohr describe atomic structure 1913. Photo: Niels Bohr's research notes for his new atomic theory. In 1911, Niels Bohr earned his PhD in Denmark with a dissertation on the electron ...

This "Rutherford model" would form the basis of modern atomic physics and paved the way for the quantum theory later developed by Niels Bohr. THE DISCOVERY OF THE PROTON In 1917, Rutherford made ...