French mathematician, physicist, and military engineer Sadi Carnot is widely considered the "father of thermodynamics." His work on the Carnot cycle, published in his "Reflections on the Motive Power of Heat" (1824), laid the groundwork for the second law of thermodynamics and advanced understanding of heat engines.
Revolutionizing Thermodynamics: The Man Behind It All - Nicolas Léonard Sadi Carnot Quiz