Nicolas Leonard Sadi Carnot
Physics Research Project
Reflections on the Motive Power of Fire
The 118-page book's French title was Réflexions sur la puissance motrice du feu et sur les machines propres à développer cette puissance. It is a significant publication in the history of the thermodynamics about a generalized theory of heats engines.
The book is considered the founding work of thermodynamics It contains the preliminary outline of the second law of thermodynamics. Carnot stated that motive power is due to the fall of caloric (heat) from a hot to a cold body.