= Gustav Heinrich Wiedemann
{wiki=Gustav_Heinrich_Wiedemann}
Gustav Heinrich Wiedemann was a notable German physicist who made significant contributions to the fields of electromagnetism and thermodynamics. He is best known for the Wiedemann-Franz law, which describes the relationship between electrical conductivity and thermal conductivity in metals. This law states that the ratio of the electric conductivity to the thermal conductivity of a metal is proportional to its temperature.
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