▁with ▁Phil ▁C ohen ). ▁▁ 2 0 1 3 : ▁The ▁Design ▁of ▁Future ▁Edu c ational ▁Inter faces ▁( Rout ledge ▁Press ). ▁ ▁References ▁▁ ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : L iving ▁people ▁Category : Can ad ian ▁computer ▁scient ists ▁Category : Can ad ian ▁women ▁computer ▁scient ists ▁Category : Univers ity ▁of ▁Toronto ▁al umn i <0x0A> </s> ▁Clark ▁Re id ▁Mart ell ▁( born ▁December ▁ 2 3 , ▁ 1 9 5 9 ) ▁is ▁an ▁American ▁white ▁supre mac ist ▁and ▁the ▁former ▁leader ▁of ▁Chicago ▁Area ▁Sk in Head s ▁( C ASH ), ▁which ▁was ▁founded ▁in ▁ 1 9 8 7 ▁by ▁six ▁skin head s ▁under ▁his ▁leadership . ▁ ▁the ▁first ▁organized ▁ne o - N azi ▁white ▁power ▁skin head ▁group ▁in ▁the ▁United ▁States . ▁The ▁group ▁was ▁also ▁called ▁Rom antic ▁Vi ol ence , ▁and ▁was ▁the ▁first ▁US ▁distrib utor ▁of ▁Sk rew driver ▁records ▁and ▁t apes . ▁ ▁In ▁June ▁of ▁ 1 9 8 9 , ▁Mart ell ▁was ▁sent enced ▁to ▁ 1 1 ▁years ▁in ▁prison ▁for ▁be ating ▁up ▁a ▁ 2 0 ▁year ▁old ▁woman ▁who ▁quit ▁a ▁ne o - N azi ▁group ▁and ▁alleg edly ▁had ▁black ▁friends . ▁He ▁drew ▁a ▁sw ast ika ▁on ▁the ▁wall ▁using ▁her ▁blood . ▁▁ ▁While ▁in ▁prison , ▁he ▁appeared ▁in ▁an ▁episode ▁of ▁Op rah ▁via ▁phone