▁years ▁European ▁Athletics ▁Youth ▁Championships , ▁organized ▁by ▁the ▁E AA ▁every ▁ 2 ▁years ▁African ▁Youth ▁Athletics ▁Championships ▁Asian ▁Youth ▁Athletics ▁Championships ▁Central ▁American ▁and ▁Car ib bean ▁Youth ▁Championships ▁in ▁Athletics ▁Pan ▁American ▁Youth ▁Athletics ▁Championships ▁O ce ania ▁Youth ▁Athletics ▁Championships , ▁organized ▁by ▁the ▁O AA ▁every ▁ 2 ▁years ▁ ▁Games ▁Youth ▁Olympic ▁Games ▁African ▁Youth ▁Games ▁ ▁See ▁also ▁List ▁of ▁world ▁youth ▁best s ▁in ▁athlet ics ▁International ▁Association ▁of ▁Athletics ▁Feder ations ▁European ▁Athlet ic ▁Association ▁Under - 2 0 ▁athlet ics ▁Under - 2 3 ▁athlet ics ▁ ▁References ▁ ▁External ▁links ▁I W AS ▁World ▁Youth ▁Games ▁- ▁I W AS F ▁ ▁* ▁Category : Age ▁categories ▁in ▁athlet ics <0x0A> </s> ▁I p ke ▁W ach sm uth ▁ ▁was ▁born ▁ 1 9 5 0 . ▁He ▁is ▁a ▁German ▁computer ▁scient ist ▁within ▁the ▁fields ▁of ▁artificial ▁intelligence ▁and ▁cogn itive ▁science . ▁ ▁W ach sm uth ▁is ▁a ▁professor ▁for ▁artificial ▁intelligence ▁at ▁B iele feld ▁University ▁and ▁teach es ▁computer ▁science ▁and ▁artificial ▁intelligence ▁since ▁ 1 9 8 9 . ▁From ▁ 2 0 0 2 ▁until ▁ 2 0 0 9 ▁he ▁was ▁the ▁man aging ▁director ▁of ▁the ▁Center ▁for ▁Inter dis cipl inary ▁Research ▁( Z ent rum ▁für ▁inter dis zi pl in äre ▁Forsch ung , ▁Z i F ) ▁in ▁B iele feld . ▁His ▁research ▁mainly ▁focus es ▁on ▁human - machine ▁interaction ▁and ▁virtual ▁reality . ▁▁