The final version of the work was edited with the assistance of Jacques Joseph Champollion-Figeac, but the relationship between the two ended when Champollion's brother demanded that he become the sole editor of the work.
•
They met in Florence in August 1825, during Champollion's journey to study the important Egyptological collections in Turin, Rome and Florence.
He wrote on Purgatory against Dudley, and a warning against the hieroglyphic discoveries of Champollion (Rome, 1834).
He is mainly known to the public because of his biographies, including the lives of Ho Chi Minh, Nasser, Léon Blum, De Gaulle, François Mauriac, Pierre Mendès-France, Mitterrand, Montesquieu, Montaigne, Malraux, Germaine Tillion, Champollion, Rivière, Stendhal and Kennedy.
Seleskovitch, Danica (1968) L'interprète dans les conférences internationales, Cahiers Champollion.
While visiting his brother Jacques-Joseph on September 14, 1822, Jean-François Champollion made a crucial breakthrough in understanding the phonetic nature of hieroglyphics, and proclaimed "Je tiens l'affaire!" ("I've got it!") and then fainted dead away.
The Geographical Society was founded at a meeting, 15 December 1821, in the Paris Hôtel de Ville and among its 217 founders were some of the greatest scientific names of the time: Pierre-Simon Laplace, the Society's first president; Georges Cuvier, Charles Pierre Chapsal, Vivant Denon, Joseph Fourier, Gay-Lussac, Claude Louis Berthollet, Alexander von Humboldt, Champollion, François-René de Chateaubriand among them.