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 (software) and higher. Later revisions of Version 1 for Macintosh required System 7. The final revision of Version 1 was v1.9. At Version 2, Fairfield continued to add more language courses, but also marketed more editions of The Rosetta Stone software. The PowerPac CD-ROM introduced in Version 1 now featured basic lessons in seven languages. One complete level of a language course was now called a Personal Edition of the software. Because many consumers found The Rosetta Stone to be too expensive, Fairfield started a series of "Explorer" editions. An Explorer CD-ROM was a lower-cost excerpt of a Version 2 course.