Born in Paris, France, Allais attended the Lycée Lakanal, graduated from the École Polytechnique in Paris and studied at the École nationale supérieure des mines de Paris. His academic and other posts have included being Professor of Economics at the École Nationale Supérieure des Mines de Paris (since 1944) and Director of its Economic Analysis Centre (since 1946). In 1949, he received the title of doctor-engineer from the University of Paris, Faculty of Science. He also held teaching positions at various institutions, including at the University of Paris X-Nanterre. His first works oriented him towards the sciences of the concrete and the experiments of fundamental physics, on which he will also publish numerous works, notably on pendular oscillations and the laws of gravitation. It's after a trip in 1933 to the United States during the Great Depression, that he decides to make the economy. Allais died at his home in Saint-Cloud, near Paris, at the age of 99.