Zauzich notes how "nowhere among all the hieroglyphs is there a single sign that represents the sound of a vowel" 6. He saw that the direction the signs faced indicated the direction in which a text was meant to be read, and he suggested that some signs were phonetic.
Young matched up the letters of Ptolemy with the hieroglyphs, and he managed to correlate most of the hieroglyphs with their correct phonetic values. The "correct" writing would be the grouping of the signs into a rectangle The Sumerians learned to expand their written language through symbols directly representing that language so that if they wished to relay some specific information regarding a woman, a temple, and a sheep, they could write, "The woman took the sheep as an offering to the temple," and the message was clear.
Early attempts at decipherment are due to Dhul-Nun al-Misri and Ibn Wahshiyya 9th and 10th century, respectively. The early pictographic writing lacked any ability to answer these questions.
She has a master's degree in linguistics and is a former Latin teacher. The stone was inscribed with three scripts: hieroglyphs in the top register, Greek at the bottom and an unidentified script in the middle.