Autumn 1911, Brussels. A mythic congress, a phenomenal cast: Albert Einstein, Marie Curie, Henri Poincare, 

Max Planck, Paul Langevin, Maurice de Broglie and others reinvent science during the Solvay Congress, 

in the most beautiful hotel in the City…

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…What are the greatest scholars of their time doing in a luxury hotel in Brussels? 

Who called them together, and why?

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The following article was originally published in French as 

Au Métropole un <<sabbat de sorcières>>, 

in le Monde, 31 July 2015.

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The article was written by 

Stéphane Foucart. 

(Translated by Crispin Gardiner.)