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Jean Errard

French mathematician (1554-1610) · France · On the map · Academics · Died at 56

Jean Errard or Errard de Bar-le-Duc was a mathematician and military engineer, initially in the service of the ducal court of Lorraine and then of Henry IV of France. He introduced Italian bastions to France and was a forerunner of Vauban as well as uncle to the painter Charles Errard the Elder.

Jean Errard is read about 9 times a day, in 6 languages.

A typical day, 30 days to 25 June 2026

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About this person

He has been called the "father of French fortification".

Country
France
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1554 to 1610 · aged 56