We can distinguish three groups of scientific men. In the first and very small group we have the men who discover fundamental relations. Among these ….

There is one experiment which I always like to try, because it proves something whichever way it goes. A solution of iodine in water is shaken with b….

Ostwald was a great protagonist and an inspiring teacher. He had the gift of saying the right thing in the right way. When we consider the developmen….