- Category : 1832-births
- Type : PE
- Profile : 1/3 - Investigating / Martyr
- Definition : Split - Large
- Incarnation Cross : RAX Contagion 3
French mathematician best known for Rouché's theorem in complex analysis, which he published in his alma mater's institutional journal in 1862, and for the Rouché-Capelli theorem in linear algebra.
He was an alumnus of the École Polytechnique, graduating in 1852. He went on to become professor of mathematics at the Charlemagne lyceum then at the École Centrale, and admissions examiner at his alma mater.
His son, Jacques, was a noted patron of the arts who managed the Paris Opera for thirty years (1914-1944).
He died on 19 August 1910 at Lunel, aged 78.