Julius Robert von Mayer
German physicist
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Julius Robert von Mayer was a German physician and physicist who, in 1841, was the first to propose the law of conservation of energy. He stated that energy cannot be created or destroyed, only converted from one form to another. This principle is fundamental to thermodynamics, the branch of physics concerned with heat, work, temperature, and energy. Mayer's work laid the groundwork for understanding how mechanical energy can be transformed into heat, a concept later explored by scientists like James Prescott Joule.12345
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