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Julius von Mayer

1814 - 1878

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Julius Robert von Mayer (25 November 1814 – 20 March 1878) was a German physician, chemist, and physicist and one of the founders of thermodynamics. He is best known for enunciating in 1841 one of the original statements of the conservation of energy or what is now known as one of the first versions of the first law of thermodynamics, namely that "energy can be neither created nor destroyed". In 1842, Mayer described the vital chemical process now referred to as oxidation as the primary source of energy for any living creature. Read more on Wikipedia

Since 2007, the English Wikipedia page of Julius von Mayer has received more than 148,973 page views. His biography is available in 44 different languages on Wikipedia (up from 41 in 2019). Julius von Mayer is the 112th most popular physicist (up from 138th in 2019), the 416th most popular biography from Germany (up from 515th in 2019) and the 20th most popular German Physicist.

Julius von Mayer is most famous for his discovery of the law of the conservation of energy.

Memorability Metrics

  • 150k

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  • 66.98

    Historical Popularity Index (HPI)

  • 44

    Languages Editions (L)

  • 13.69

    Effective Languages (L*)

  • 2.03

    Coefficient of Variation (CV)

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Among physicists, Julius von Mayer ranks 112 out of 717Before him are George Gamow, Javier Solana, Victor Francis Hess, Augustin-Jean Fresnel, J. Hans D. Jensen, and Edward Victor Appleton. After him are Anders Jonas Ångström, George Paget Thomson, Ernst Abbe, Aage Bohr, Auguste Piccard, and Heinrich Rohrer.

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Among people born in 1814, Julius von Mayer ranks 8Before him are Jean-François Millet, Taras Shevchenko, Samuel Colt, Mikhail Lermontov, Eugène Viollet-le-Duc, and Adolphe Sax. After him are Anders Jonas Ångström, Henri Nestlé, Hong Xiuquan, Jenny von Westphalen, James Joseph Sylvester, and Prince Louis, Duke of Nemours. Among people deceased in 1878, Julius von Mayer ranks 7Before him are Pope Pius IX, Victor Emmanuel II of Italy, Archduke Franz Karl of Austria, Princess Alice of the United Kingdom, Claude Bernard, and Joseph Henry. After him are Charles-François Daubigny, Maria Christina of the Two Sicilies, George V of Hanover, Ernst Heinrich Weber, Mirza Fatali Akhundov, and Nikolay Nekrasov.

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In Germany

Among people born in Germany, Julius von Mayer ranks 416 out of 6,142Before him are Alexander Grothendieck (1928), Louis II, Prince of Monaco (1870), Christian V of Denmark (1646), Erwin Panofsky (1892), Lothar Matthäus (1961), and Friedrich Bessel (1784). After him are Frederica of Hanover (1917), Caroline of Baden (1776), Heinrich Wilhelm Matthias Olbers (1758), Hans Krebs (1898), Princess Elisabeth of Hesse and by Rhine (1864), and Karlheinz Stockhausen (1928).

Among PHYSICISTS In Germany

Among physicists born in Germany, Julius von Mayer ranks 20Before him are Ernst Ruska (1906), Johannes Stark (1874), James Franck (1882), Walther Bothe (1891), Joseph von Fraunhofer (1787), and J. Hans D. Jensen (1907). After him are Ernst Abbe (1840), Arno Allan Penzias (1933), Hans Georg Dehmelt (1922), Georg Christoph Lichtenberg (1742), Karl Schwarzschild (1873), and Rudolf Mössbauer (1929).