2 ideas from Jean-François Champollion, each explained in a minute and credited to the original work. Free on Savvy.
The Rosetta Stone carries the same decree in hieroglyphics, Demotic and Greek. Because scholars could already read Greek, Jean-François Champollion used it in 1822 to finally crack…
— Jean-François Champollion, Lettre à M. Dacier relative à l'alphabet des hiéroglyphes phonétiques
French soldiers rebuilding a fort near Rosetta in 1799 found a stone inscribed with the same royal decree in Egyptian hieroglyphs, Demotic script and Greek. Scholars could read the…
— Jean-François Champollion, Rosetta Stone