The “Cité scientifique” of the Parc Léopold in Brussels

The “Cité scientifique” of the Parc Léopold in Brussels (view from the early 20th century) reflected Solvay's own organic system of thought in which the exact sciences and the humanities need to cooperate and enrich one another in order to better understand and control social phenomena. From left to right, the Institutes of Physiology (1895), Commerce (1903) and Sociology (1902).