man , ▁then ▁ruled ▁by ▁Mu hall abi . ▁ ▁He ▁is ▁said ▁to ▁have ▁pract iced ▁as ▁a ▁phys ician ▁although ▁no ▁works ▁on ▁medical ▁science ▁by ▁him ▁are ▁known ▁to ▁surv ive .< ref ▁name = life > Har old ▁Bow en , ▁The ▁Life ▁and ▁Times ▁of ▁' Al í ▁I bn ▁' Í s à , ▁' the ▁Good ▁V iz ier , ▁pg . ▁ 2 7 7 . ▁Cambridge : ▁Cambridge ▁University ▁Press ▁Archive , ▁ 1 9 2 8 .</ ref > ▁ ▁After ▁twelve ▁years ▁K hal lik an ▁says ▁he ▁returned ▁to ▁Bas rah ▁for ▁a ▁time ▁and ▁then ▁moved ▁to ▁Pers ia ▁In ▁Al - N ad im ' s ▁account ▁he ▁moved ▁to ▁J az ī rat ▁I bn ▁‘ U m ā rah ▁( this ▁may ▁refer ▁to ▁the ▁Ba ṣ rah ▁▁▁▁▁▁▁▁▁▁▁ ▁sub urb ) ▁before ▁he ▁moved ▁to ▁Pers ia ▁where ▁he ▁was ▁under ▁the ▁protection ▁of ▁the ▁governor ▁Abd - Al lah ▁Mik ali ▁and ▁his ▁sons , ▁and ▁where ▁he ▁wrote ▁his ▁chief ▁works . ▁Abd - Al lah ▁appointed ▁him ▁director ▁of ▁the ▁government ▁office ▁for ▁F ars ▁Province ▁and ▁it ▁is ▁said ▁while ▁there ▁each ▁time ▁his ▁sal ary ▁was ▁paid ▁he ▁don ated ▁almost ▁it ▁all ▁to ▁the ▁poor . ▁In ▁ 9 2 0 ▁he ▁moved ▁to ▁Bag hd ad , ▁and ▁received ▁a ▁month ly ▁p ension ▁of ▁fifty ▁din ars ▁from ▁the ▁cal i ph ▁Al - M u qt ad