Rosetta Stone Rosetta Stone The Rosetta Stone is a granodiorite stele, found in 1799, inscribed with three versions of a decree issued at Memphis, Egypt in 196 BC during the Ptolemaic dynasty on behalf of King Ptolemy V. The top and middle texts are in Ancient Egyptian using hieroglyphic script and Demotic script, respectively, while the bottom is in Ancient Greek. As the decree has only minor differences between the three versions, the Rosetta Stone proved to be the key to deciphering Egyptian hieroglyphs, thereby opening a window into ancient Egyptian history. The stone, carved during the Hellenistic period, is believed to
History of the Quakers allowed to get an advanced education. Eventually some did get opportunities to go to university and beyond, which meant that more and more Quakers could enter the various fields of science. Thomas Young an English Quaker, did experiments with optics, contributing much to the wave theory of light. He also discovered how the lens in the eye works and described astigmatism and formulated an hypothesis about the perception of color. Young was also involved in translating the Rosetta Stone. He translated the demotic text and began the process of understanding the hieroglyphics. Maria Mitchell was an astronomer who discovered a