Rudolf Clausius

Copy Image

The fundamental laws of the universe which correspond to the two fundamental theorems of the mechanical theory of heat.1. The energy of the universe is constant.2. The entropy of the universe tends to a maximum

Copy Image

The algebraic sum of all the transformations occurring in a cyclical process can only be positive, or, as an extreme case, equal to nothing.[Statement of the second law of thermodynamics, 1862]

Copy Image

His true monument lies not on the shelves of libraries, but in the thoughts of men, and in the history of more than one science.{Gibbs's obituary for scientist Rudolf Clausius}