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) corporation to a C corporation. Ownership transferred to investment firms ABS Capital Partners and Norwest Equity Partners. On September 23, 2008, Rosetta Stone Inc. filed an Initial public offering with the Securities and Exchange Commission. On April 15, 2009, the company was listed as the Rosetta Stone on the New York Stock Exchange. Since 2016, the company's president and CEO has been John Hass. Rosetta Stone is transitioning to a cloud-based business model that goes beyond language learning and deeper into education technology. In 2013, it acquired four companies—Vivity Labs Inc (creators of the Fit Brains Trainer), Livemocha, Tell Me