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) tourism. Short videos (in QuickTime format) illustrate some verbs. Units 16 and 17 use single-panel comics from the "Saturday Evening Post" as a teaching tool. Level 3 expands on Level 2 with longer videos and written passages. Rosetta Stone version 3 Language Pack has 3–5 levels. The lessons differ by language. Compared with Version 2, Version 3 lessons focus more on conversation and less on grammar rules. In level one, each unit has a 30-minute lesson and some activities that are five to fifteen minutes long. Level 1 takes up to 24 hours to complete. Starting from simple vocabulary such