Robin McKie, science editor, The Observer:
It is famed as a critical moment in code-breaking history. Using a piece of basalt carved with runes and words, scholars broke the secret of hieroglyphs, the written ‘language’ of the ancient Egyptians.
A baffling, opaque language had been made comprehensible, and the secrets of one of the world’s greatest civilisations revealed - thanks to the Rosetta Stone and the analytic prowess of 18th and 19th century European scholars.
But now the supremacy of Western thinking has been challenged by a London researcher who claims that hieroglyphs had been decoded hundreds of years earlier - by an Arabic alchemist, Abu Bakr Ahmad Ibn Wahshiyah.