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Jöns Jakob
[yœns yah-kawp] /yœns ˈyɑ kɔp/ (Show IPA), Baron, 1779–1848, Swedish chemist.
Historical Examples

The term was introduced by Berzelius, who first studied such reactions.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 Various

I went from him to the renowned Berzelius, and laid in a stock of more.
Bentley’s Miscellany, Volume II Various

But such a formula would have had no meaning for the wisest chemist before the day of Berzelius.
A History of Science, Volume 4(of 5) Henry Smith Williams

The great Berzelius was the first to obtain this element in 1823.
The Boy’s Playbook of Science John Henry Pepper

Through his remarks on bowlders, he gave rise to the later theories of Berzelius and Sfstrom of a bowlder period.
Sweden Victor Nilsson

Selenium, indispensable in the apparatus, was discovered by Berzelius in 1817.
Inventors at Work George Iles

The results expressed in this memoir seem to me to be completely opposed to the opinions of Liebig and Berzelius.
Alcoholic Fermentation Arthur Harden

“Biographie Universelle;” for notices of Berzelius and Lavoisier.
Heroes of Science M. M. Pattison Muir

The classification adopted by Berzelius was essentially a dualistic classification.
Heroes of Science M. M. Pattison Muir

It depends, said Berzelius, on the electrical states of these atoms.
Heroes of Science M. M. Pattison Muir

noun
Baron Jöns Jakob (ˈjœns ˈjɑːkɔp). 1779–1848, Swedish chemist, who invented the present system of chemical symbols and formulas, discovered several elements, and determined the atomic and molecular weight of many substances
Berzelius
(bər-zē’lē-əs)
Swedish chemist who is regarded as one of the founders of modern chemistry. Berzelius developed the concepts of the ion and of ionic compounds and made extensive determinations of atomic weights. In 1811 he introduced the classical system of chemical symbols, in which the names of elements are identified by one or two letters.