By allowing the positive ions to pass through an electric field and thus giving them a certain velocity, it is possible to distinguish them from the …

- Johannes Stark

It is more likely that more than a century will pass before we know the structure of the chemical atoms as thoroughly as we do our solar system.

- Johannes Stark

Moreover, the abundance of chemical compounds and their importance in daily life hindered the chemist from investigating the question, in what does t…

- Johannes Stark

Many scientists will have to contribute to the solution of the great problem; they will have to follow up and measure all those phenomena in which th…

- Johannes Stark

By recognizing that the chemical atom is composed of single separable electric quanta, humanity has taken a great step forward in the investigation o…

- Johannes Stark

The removal of an electron from the surface of an atom - that is, the ionization of the atom - means a fundamental structural change in its surface l…

- Johannes Stark

The movement of the emitters of the spectral lines may be deduced on the basis of the Doppler principle.

- Johannes Stark

We have learnt through experience that when an electrical ray strikes the surface of an atom, an electron, and in some circumstances a second and eve…

- Johannes Stark

The most common and most important result of them is that the nature and size of the effect on corresponding series of different elements are largely…

- Johannes Stark