sentences:  C. D. Cunningham and Emile Rey watched anxiously and silently as the pair set off on the 18th, and it was Rey who was subsequently leader of the search party that brought back their bodies to Courmayeur.Together with its neighbour – the Aiguille Noire de Peuterey (3,773 m) – the Aiguille Blanche forms part of the Peuterey ridge that leads, via the summit of the Grand Pilier d'Angle, to the summit of Mont Blanc.James Eccles, with guides Alphonse and Michel Payot, made the first ascent of the upper part of the ridge during their first ascent of Mont Blanc de Courmayeur on 31 July 1877.