James Prescott Joule (1818-1889) English physicist: Studied chemistry under John Dalton: Worked with William Thomson (Lord Kelvin). Mechanical equivalent of heat (J). Unit of energy, Joule, named after him. Engraving c1895

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James Prescott Joule (1818-1889) English physicist: Studied chemistry under John Dalton: Worked with William Thomson (Lord Kelvin). Mechanical equivalent of heat (J). Unit of energy, Joule, named after him. Engraving c1895
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Image ID: HTMM29