= Julius von Mayer
{c}
{wiki}
= Julius Robert Mayer
{c}
{synonym}
Physician and natural philosopher who contributed to the conservation-of-energy programme in the 1840s, including an argument for the mechanical equivalent of <heat>.
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{title=Portrait of <Julius von Mayer>}
{description=Wellcome Library, London / Wellcome Collection. https://creativecommons.org/licenses/by/4.0/[CC BY 4.0], via Wikimedia Commons.}
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