. ▁In ▁his ▁last ▁years , ▁he ▁spent ▁a ▁lot ▁of ▁his ▁time ▁at ▁a ▁youth ▁centre ▁teaching ▁children ▁both ▁the ▁eth ics ▁and ▁the ▁technology ▁of ▁hack ing . ▁ ▁Personal ▁life ▁ ▁Holland ▁was ▁born ▁in ▁K ass el , ▁and ▁grew ▁up ▁in ▁Mar burg , ▁H esse . ▁He ▁graduated ▁from ▁the ▁G ymnasium ▁Philipp in um ▁secondary ▁school ▁and ▁attended ▁the ▁University ▁of ▁Mar burg , ▁though ▁he ▁did ▁not ▁gradu ate . ▁▁ ▁Holland ▁was ▁an ▁amateur ▁radio ▁operator ▁and ▁held ▁the ▁call ▁sign ▁DB 4 FA . ▁ ▁Holland ▁died ▁in ▁B iele feld ▁on ▁ 2 9 ▁July ▁ 2 0 0 1 ▁of ▁comp lications ▁caused ▁by ▁a ▁brain ▁stem ▁stroke ▁from ▁which ▁he ▁suffered ▁in ▁May . ▁ ▁See ▁also ▁▁ ▁Ph re aking ▁ ▁W au ▁Holland ▁Foundation ▁ ▁References ▁ ▁External ▁links ▁▁▁ ▁W au ▁Holland ▁Foundation ▁▁ ▁Sp iegel ▁article ▁▁ ▁Book ▁on ▁W au ▁- ▁Der ▁P hr as en prü fer ▁ ▁Category : 1 9 5 1 ▁birth s ▁Category : 2 0 0 1 ▁death s ▁Category : G erman ▁computer ▁scient ists ▁Category : Pe ople ▁from ▁H esse ▁Category : Europe an ▁amateur ▁radio ▁operators ▁Category : M embers ▁of ▁Cha os ▁Computer ▁Club ▁Category : Am ateur ▁radio ▁people <0x0A> </s> ▁Sh as ▁Pol lak ▁were ▁Jewish ▁mn emon ists ▁who , ▁according ▁to ▁the ▁ 1 9 1 7 ▁report ▁of ▁George ▁Str at ton ▁in ▁the ▁Psych ological ▁Review , ▁memor