Template:Selected anniversaries/July 26: Difference between revisions

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||1824: Alfred Richard Cecil Selwyn born ... geologist and public servant. Pic.
||1824: Alfred Richard Cecil Selwyn born ... geologist and public servant. Pic.


||1844: Stefan Drzewiecki born ... scientist, journalist, engineer, constructor and inventor, working in France and the Russian Empire.[1][2][3] He built the first submarine in the world with electric battery-powered propulsion (1884).
||1844: Stefan Drzewiecki born ... scientist, journalist, engineer, constructor and inventor, working in France and the Russian Empire. He built the first submarine in the world with electric battery-powered propulsion (1884). Pic.


||1863: Paul Walden born ... chemist known for his work in stereochemistry and history of chemistry. In particular he invented the stereochemical reaction known as Walden inversion and synthesized the first room-temperature ionic liquid, ethylammonium nitrate. Pic.
||1863: Paul Walden born ... chemist known for his work in stereochemistry and history of chemistry. In particular he invented the stereochemical reaction known as Walden inversion and synthesized the first room-temperature ionic liquid, ethylammonium nitrate. Pic.

Revision as of 10:14, 2 January 2019