Jean Henri Hassenfratz

French chemist (1755-1827) · France · Scientists · Died at 71

Jean Henri Hassenfratz is read about 2.5 times a day, in 11 languages.

Counted to August 23, 2026, not since.

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.

Jean Henri Hassenfratz was a French chemist, physics professor, mine inspector, and participant in the French Revolution.

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France