Augustin-Jean Fresnel (also called Augustin Jean or simply Augustin), born in Broglie, Normandy, on 10 May 1788, was the second of four sons of the architect Jacques Fresnel and his wife Augustine, née Mérimée. The family moved twice—in 1789/90 to Cherbourg,Levitt (2013, p. 23) says "in 1790". Silliman (1967, p. 7) says "by 1790". Boutry (1948, p. 590) says the family left Broglie in 1789. and in 1794Silliman, 2008, p. 166. to Jacques's home town of Mathieu, where Augustine would spend 25 years as a widow,Boutry, 1948, p. 590. outliving two of her sons.
Augustin-Jean Fresnel (also called Augustin Jean or simply Augustin), born in Broglie, Normandy, on 10 May 1788, was the second of four sons of the architect Jacques Fresnel and his wife Augustine, née Mérimée. The family moved twice—in 1789/90 to Cherbourg,Levitt (2013, p. 23) says "in 1790". Silliman (1967, p. 7) says "by 1790". Boutry (,1948 p. 590) says the family left Broglie in 1789. and in 1794Silliman, 2008, p. 166. to Jacques's home town of Mathieu, where Augustine would spend 25 years as a widow,Boutry, 1948, p. 590. outliving two of her sons.