Jean Vercoutter in the 1950s had argued, based on an inscription of the tomb of Rekhmire that Keftiu could not be set apart from the "Islands of the Sea" which he identified as a reference to the Aegean Sea.
One of the pioneers of archaeological research into Sudan from 1953, he was Director of the Institut Français d'Archéologie Orientale from 1977 to 1981.
In collaboration with Cyril Aldred, J.L. Cenival, F. Debono, Christiane Desroches Noblecourt, Jean Leclant and Jean Vercoutter, Le temps des pyramides, L'univers des formes, Gallimard, Paris, 1978.
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