Rosetta Stone Athanasius Kircher in the 17th, and Georg Zoëga in the 18th. The discovery of the Rosetta Stone in 1799 provided critical missing information, gradually revealed by a succession of scholars, that eventually allowed Jean-François Champollion to solve the puzzle that Kircher had called the riddle of the Sphinx. The Greek text on the Rosetta Stone provided the starting point. Ancient Greek was widely known to scholars, but they were not familiar with details of its use in the Hellenistic period as a government language in Ptolemaic Egypt; large-scale discoveries of Greek papyri were a long way in the future. Thus,
Rosetta Stone (company) More, and Lexia Learning. On September 17, 2013, Rosetta Stone announced the launch of a new Kids Division and in November, 2014 it debuted its first kids reading program for consumers, Rosetta Stone Kids Reading. On April 15, 2009, Rosetta Stone raised $112 million in its initial public offering of stock shares. In its first full day of trading on the New York Stock Exchange, the stock gained 39% from its opening price. After a strong opening, however, the stock stumbled amid reports of weaknesses in Rosetta Stone's US business, resulting in the cancellation of a second offering, and a