He was killed on 5 June 1996 in a motoring accident riding his motorcycle whilst travelling on the Marseille to Aix-en-Provence motorway.
[1] His new route on the East Ridge of the Lepiney was accomplished using new climbing ideas brought back from the US.
[2] Cordier climbed further a field making the first ascent of Bubulimoting Spire above the Hunza Valley in the Karakoram.
[4] In 1976, Cordier accomplished a solo ascent of the American Direct on the South face of the Fou in the Chamonix Aiguilles.
Now Doctor Cordier, from 1977, he worked as an instructor for the Ecole National de Ski et Alpinisme at Chamonix.