Cezeri was born Cizre in 1136. His full name was İsmâil bin er-Rezzâz el-Cezerî After finishing his school called by Camia Madrasah, he focused physics and mechanic. Cezeri was working as an chief engineer in Artuklu Palace like his father. Then he worked for Selahaddin Eyyubi. In western literature says B.C. 300 Greek mathematian Archytas […]