▁Encyclopedia ▁( 3 rd ▁ed .). ▁London : ▁Manchester ▁United ▁Books . ▁ ▁External ▁links ▁ ▁A IP S ▁History ▁( 1 9 2 4 - 2 0 1 4 ) ▁ ▁A IP S ▁ 2 0 1 2 ▁Congress ▁Website ▁ ▁Ob itu ary : ▁The ▁Her ald , ▁July ▁ 2 3 , ▁ 2 0 0 2 ▁ ▁D ø d sf ald ▁Tir sd ag ▁d . ▁ 2 3 . ▁juli ▁ 2 0 0 2 ▁ ▁Category : 1 9 2 0 ▁birth s ▁Category : 2 0 0 2 ▁death s ▁Category : Pe ople ▁from ▁Bar row - in - F urn ess ▁Category : English ▁male ▁journal ists ▁Category : English ▁sports ▁journal ists ▁Category : O ffic ers ▁of ▁the ▁Order ▁of ▁the ▁British ▁Empire <0x0A> </s> ▁Jo ak im ▁Ed s jö ▁is ▁a ▁Swedish ▁professor ▁of ▁theoretical ▁physics ▁at ▁Stockholm ▁University . ▁His ▁research ▁is ▁carried ▁out ▁at ▁the ▁interface ▁of ▁particle ▁physics , ▁ast ro physics ▁and ▁cosm ology , ▁and ▁is ▁particularly ▁concerned ▁with ▁the ▁search ▁for ▁dark ▁matter . ▁ ▁Education ▁and ▁academic ▁career ▁Ed s jö ▁received ▁his ▁Ph D ▁in ▁ 1 9 9 7 ▁from ▁the ▁U pp s ala ▁University , ▁with ▁a ▁th esis ▁by ▁the ▁title ▁of ▁" As pect s ▁of ▁neut r ino ▁detection ▁of ▁neutral ino ▁dark ▁matter ". ▁He ▁then ▁went ▁on ▁for ▁a ▁post do ctor al ▁fellow ship ▁at ▁the ▁University ▁of ▁California , ▁Ber