Julius von Mayer

German physicist (1814-1878)

  • Fame55.9
  • Momentum6.0
  • Wikipedia2.6K
Source-basedRising
Lived 1814–1878, aged 64Germany
  • Wikipedia
    46 languages
    Cross-language footprint
  • Era
    1814–1878
    Aged 64
  • Awards
    2
    recognised works
Summary
Updated 2026-06-10

He pinned down the law that energy never vanishes or appears from nothing — then watched another man get the credit.

Biography

About

Julius Robert von Mayer was a German physician who crossed into physics and chemistry, and in 1841 he wrote one of the first clear statements of what became the first law of thermodynamics: energy can be neither created nor destroyed. A year later he described oxidation as the engine of life and suggested that plants turn light into chemical energy. But his work went unnoticed. In 1843, James Joule published his own calculation of the mechanical equivalent of heat, and history handed him the priority Mayer had earned first. Mayer lived another three decades, the founder whose founding went unr…

Voice

In their own words

Sourced, dated quotes from Julius von Mayer

Julius von Mayer
said
My early feeling that scientific truths are to the Christian religion much what brooks and rivers are to the ocean, has become my most vital conviction.
December 31 1851, as translated by Kneller, Karl Alois. 1911. pp. 18. Christianity and the Leaders of Modern Science. London.
Julius von Mayer
saidundated
Nature has put itself the problem of how to catch in flight light streaming to the Earth and to store the most elusive of all powers in rigid form.
Original: Die Natur hat sich die Aufgabe gestellt, das der Erde zuströmende Licht im Fluge zu erhaschen, und die beweglichste aller Kräfte,
Julius von Mayer
saidundated
With heartfelt conviction I say it: A sound philosophy must and can be nothing else than a propaedeutic to Christianity.
Original: Aus vollem Herzen rufe ich es aus: Eine richtige Philosophie darf und kann nichts anderes sein als eine Propädeutik für die
Julius von Mayer
saidundated
Were it not for this inalterable armony, pre-established by God, between subject and object, all our thinking would be necessarily without fruit.
As translated by Julio Antonio Gonzalo (2008) in The Intelligible Universe: An Overview of the Last Thirteen Billion Years . World
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Fame
Rising
55.9
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum6.0
Historical23.2
Now attention24.1
Source confidence60.0
Completeness70.0
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Sources

  • Wikipedia
    wikipedia · en.wikipedia.org
    High confidence
  • Wikidata
    wikidata · wikidata.org
    High confidence
  • Pantheon 2.0
    database · pantheon.world
    High confidence