L'X : Squaring the circle of meritocracy

Maths at Polytechnique from the French Revolution to the Revolution of 1830

From April to December 2019

Why is "X" the symbol of École Polytechnique? You will find the answer in this exhibition dedicated to how and why the field of mathematics became the key discipline taught at the institution during the 19th century. École Polytechnique’s nickname, "l’X", refers to the unknown in algebra. It illustrates the pioneering role that the school played in inventing modern methods for teaching science.

Practical info


Monday to Friday, 9AM – 5PM, Saturday, 9AM – 4PM
Open tour (Guided visits possible for groups of 10+)