Josef Loschmidt

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In existographies, Johann Josef Loschmidt (134-60 BE) (1821-1895 ACM) (IQ:#|#) (ID:#) (PR:11,878|65AE / chemist:169) (HGC:163) (CR:5) (LH:4) (TL:9), aka “Josef Loschmidt” (commonly), was an Austrian physical chemist, noted for []


In 1861, Loschmidt, in his Chemical Studies, drew double and triple chemical bonds as follows:[1]

Loschmidt bonds.png

In 1865, Loschmidt, in his "On the Size of Air Molecules", using the kinetic theory of gases,was the first to calculate the size of air molecules as one millionth of a millimeter.[2]


Quotes | On

The following are quotes on Loschmidt:

“In our day there are secessions from the [atomic] theory, but it still stands firm. Loschmidt, Stoney, and William Thomson have sought to determine the sizes of the atoms, or rather to fix the limits between which their sizes lie; while only last year the discourses of Williamson and Maxwell illustrate the present hold of the doctrine upon the foremost scientific minds.”
John Tyndall (1874), “Atheistic Materialism”, BAAS Address (pg. 26)[3]

End matter

See also


  1. Loschmidt, Joseph. (1861). Chemical studies: Constitutions formulas of organic chemistry in graphical representation: The Act Mariott'sche (Chemische Studien: Constitutions-Formeln der organischen Chemie in graphischer Darstellung : Das Mariott'sche Gesetz). Gerold.
  2. Loschmidt, Josef. (1865). "On the Size of Air Molecules" (“Zur Grosse der Luftmolecule”), Academy of Vienna, Oct. 12.
  3. Tyndall, John. (1874). “Atheistic Materialism (txt), Address, British Association for the Advancement of Science, Belfast. Longmans.
  4. Loschmidt’s paradox – Hmolpedia 2020.

External links

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