Nicolas Léonard Sadi Carnot
Nicolas Léonard Sadi Carnot (French: [nikɔla leɔnaʁ sadi kaʁno]; 1 June 1796 – 24 August 1832) was a French military engineer and physicist. A graduate of the École polytechnique, Carnot served as an officer in the Engineering Arm (le génie) of the French Army.
Source: Wikipedia — Nicolas Léonard Sadi Carnot (CC BY-SA 4.0)