As part of an experiment ... of new ideas paved the way for the development of quantum mechanics. Bohr went on to make enormous contributions to physics and, like Rutherford, to train a new ...

Many scientists of the day scorned the idea as alchemy. They stuck with the age-old belief that the atom is indivisible and unchangeable. But by 1904 ... In 1909 he began experiments that were ...

Between 1914 and 1919 Rutherford conducted many experiments at the University by bombarding nitrogen ... hydrogen” existed in the nucleus of other atoms and thus appeared as a basic building block.