Cairo, Egypt, in its history[?] has had a significant number of fortified gates protecting both inner and outer city. Apart from the purpose of defense they were also used for differentiation of the varied social and economic classes. Often the gates were heavily decorated as artistic pieces.
... After holding the chair of philosophy at Halle for two years, he became, in 1833, professor at the university of Königsberg[?], where he remained till his death. In his ...