The first evidence for this comes from a new deciphering of the C-14 Irtysen Stele (dating 2.000 BC, Louvre Museum, Paris). The stele is the autobiography of the sculptor Irtysen who lived under one of the Mentuhotep Pharaohs, 11th. Dynasty. The stele C-14 of the Louvre has been often studied. Yet many of its expressions pertain to the domain of stone technology and have been tentatively translated in