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Rudolf Clausius

1822–1888 · Thermodynamics, Statistical mechanics
A German physicist and mathematician who formulated the second law of thermodynamics and introduced the concept of entropy. His work laid the foundation of thermodynamics and influenced the development of physics and chemistry.

Biography

Studied at the Universities of Berlin and Halle-Wittenberg. Taught at the Swiss Federal Institute of Technology Zurich and the University of Bonn. Collaborated with Helmholtz, Joule, and Thomson. Awards: Copley Medal, Poncelet Prize.

Key discoveries

💡 Clausius served in the Crimean War, but his main battles were on paper — he debated with Thomson and Maxwell about the nature of heat.
"He stated that the energy of the universe is constant and its entropy tends to a maximum."
Concepts
Phase transition
Laws
second law of thermodynamicsfirst law of thermodynamics
Scientists
Steven WeinbergAndré-Marie AmpèreIlya PrigogineLars OnsagerGustav KirchhoffRobert HermanJosiah Willard GibbsRoy Kerr

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