Answer:
After many years of studying the Rosetta Stone and other examples of ancient Egyptian writing, Jean-François Champollion deciphered hieroglyphs in 1822.
Step-by-step explanation:
Jean-François Champollion, also known as Champollion le jeune, was a French scholar, philologist and orientalist, known primarily as the decipherer of Egyptian hieroglyphs and a founding figure in the field of Egyptology.