[3] Raynaud entered the École normale supérieur where he studied from 1958 to 1962, while being first of the class in the "agrégation" exam where the new high school teachers were selected in 1961.
[3] In 1962, he entered the French National Centre for Scientific Research where he studied together with his future wife Michèle Chaumartin.
[3] Raynaud was hired as professor at the Orsay Faculty of Sciences in Paris where he was a employed until 2001, when he retired.
[4] In 1985, he proved Raynaud's isogeny theorem on Faltings heights of isogenous elliptic curves.
[2] He was married to the mathematician Michèle Raynaud (née Chaumartin)[3] who also worked with Alexander Grothendieck.