▁most ▁equ ine ▁hy br ids ▁are ▁ster ile ▁and ▁cannot ▁reproduce . ▁ ▁A ▁notable ▁exception ▁is ▁hy brid ▁cross es ▁between ▁horses ▁and ▁Equ us ▁fer us ▁przew al sk ii , ▁commonly ▁known ▁as ▁Prz ew al ski ' s ▁horse . ▁ ▁See ▁also ▁ ▁References ▁ ▁Further ▁reading <0x0A> </s> ▁Bé la ▁Heinrich ▁B án á thy ▁( ; ▁December ▁ 1 , ▁ 1 9 1 9 ▁– ▁September ▁ 4 , ▁ 2 0 0 3 ) ▁was ▁an ▁Hung arian - American ▁lingu ist , ▁and ▁Professor ▁at ▁San ▁Jose ▁State ▁University ▁and ▁U C ▁Ber keley . ▁He ▁is ▁known ▁as ▁founder ▁of ▁the ▁White ▁St ag ▁Le ad ership ▁Development ▁Program , ▁established ▁the ▁International ▁Systems ▁Institute ▁in ▁ 1 9 8 2 , ▁and ▁was ▁co - found er ▁of ▁the ▁General ▁E volution ary ▁Research ▁Group ▁in ▁ 1 9 8 4 . ▁ ▁He ▁grew ▁up ▁in ▁largely ▁rural ▁Hung ary ▁and ▁served ▁in ▁the ▁Hung arian ▁military ▁during ▁World ▁War ▁II . ▁When ▁Russia ▁inv aded ▁Hung ary ▁in ▁April ▁ 1 9 4 5 , ▁he ▁and ▁his ▁family ▁fled ▁to ▁Al lied - occup ied ▁Austria ▁and ▁lived ▁in ▁a ▁disp la ced ▁persons ▁camp ▁for ▁six ▁years . ▁In ▁ 1 9 5 1 , ▁they ▁em igr ated ▁to ▁Chicago , ▁spons ored ▁by ▁the ▁Pres by ter ian ▁church . ▁Within ▁the ▁year ▁his ▁former ▁command ing ▁officer ▁suggested ▁to ▁the ▁U . S