Patrick Cousot is a French computer scientist, currently Silver Professor of Computer Science at the Courant Institute of Mathematical Sciences, New York University, USA. Before he was Professor at th
The École normale supérieure – PSL is a grande école in Paris, France. It is one of the constituent members of Paris Sciences et Lettres University. Due to its selectivity, historical role, and influe
Entrance of the historic building of the ENS, at Rue d'Ulm 45
The main entrance to the ENS on Rue d'Ulm. The school moved into its current premises in 1847.
The quadrangle at the main ENS building on rue d'Ulm is known as the Cour aux Ernests – the Ernests being the goldfish in the pond.
The school's Cour aux Ernests under a coat of snow (2013)