Planck himself openly opposed Nazi persecutions and intervened on behalf of Jewish scientists. He praised Einstein in contradiction to the Nazis, who denounced Einstein and his work. He even met ...

Now, the kilogram is defined in relation to the Planck constant ... and gravity derived from Albert Einstein’s general relativity, are both describe by fields that permeate nature.

In 1914, Max Planck persuaded Albert Einstein to come to Berlin by offering the young physicist attractive conditions. Planck was thus one of the first people to recognise the importance of the theory ...

Planck himself openly opposed Nazi persecutions and intervened on behalf of Jewish scientists. He praised Einstein in contradiction to the Nazis, who denounced Einstein and his work. He even met ...