Jean Augustin Fresnel was a French engineer and physicist. He is known as the inventor of the Fresnel lens, which is commonly used in lighthouses and in other applications. His namesake Fresnel equations are also used extensively in computer graphics today.
Augustin Jean Fresnel was the son of Jacques Fresnel, architect, and Augustine Charlotte Mérimée. He was born in Broglie on 19 May 1788 and baptised the same day. His godfather, Jean François Mérimée (represented by Charles François Mérimée, priest) was a clerk at the Académie Royale de Peinture. His godmother was Jeanne Catherine Fresnel. Augustin's younger brother Fulgence Fresnel was an orientalist. He was the cousin of Prosper Mérimée, author, archeologist and key figure of architectural preservation.
Augustin Jean Fresnel, né à Broglie le 19 mai 1788, était le fils de Jacques Fresnel, architecte, et d'Augustine Charlotte Mérimée. Il a été baptisé le même jour avec pour parrain Jean François Mérimée, clerc de l'Académie Royale de peinture, représenté par Charles François Marie Mérimée, prêtre, et pour marraine Jeanne Catherine Fresnel.
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