sentences:  Jacques Kayser (1946) then Maurice Paléologue (1955) and Henri Giscard d'Estaing (1960) revived the case without great revelations, a process generally considered insufficient historically.Marcel Thomas, chief curator at the National Archives, in 1961 provided through his "The Affair without Dreyfus" in two volumes a complete review of the history of the affair supported by all available public and private archives.His work is the foundation of all subsequent historical studies.