Henri Brocard

French mathematician and meteorologist (1845-1922) · France · On the map · Academics · Died at 76

Pierre René Jean Baptiste Henri Brocard was a French meteorologist and mathematician, in particular a geometer. His best-known achievement is the invention and discovery of the properties of the Brocard points, the Brocard circle, and the Brocard triangle, all bearing his name.

Henri Brocard is read about 8.5 times a day, in 22 languages.

A typical day, 30 days to 24 June 2026

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.

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