According to The Riddle of the Rosetta Stone, what problem did both Jean-François Champollion and Sylvestre de Sacy face in their attempts to decipher the writings on the Rosetta Stone? Both initially believed the hieroglyphs represented things.
Both lacked the education necessary to decipher the hieroglyphs.
Both lacked the money necessary to continue their research.
Both initially believed the hieroglyphs represented sounds.