▁a ▁student ▁project ▁at ▁Fac ulty ▁of ▁Math s ▁and ▁Physics , ▁Charles ▁University , ▁Prag ue , ▁Czech ▁Republic . ▁Since ▁September ▁ 2 0 0 5 ▁it ▁is ▁being ▁developed ▁in ▁the ▁authors ' ▁free ▁time . ▁The ▁last ▁available ▁release ▁( as ▁of ▁May ▁ 2 0 0 9 ) ▁is ▁ 9 . 0 . 4 , ▁published ▁in ▁March ▁ 2 0 0 7 . ▁ ▁External ▁links ▁ ▁V R R ▁home page ▁ ▁Category : Free ▁vector ▁graphics ▁edit ors <0x0A> </s> ▁Sch oles ▁Butler ▁Bir ch ▁( 3 0 ▁July ▁ 1 8 2 6 ▁– ▁ 1 3 ▁April ▁ 1 9 1 0 ) ▁was ▁an ▁English ▁first - class ▁cr ick eter ▁and ▁medical ▁doctor . ▁ ▁The ▁son ▁of ▁the ▁first - class ▁cr ick eter ▁Le a ▁Bir ch , ▁he ▁was ▁born ▁at ▁F ails worth , ▁Lanc ash ire ▁and ▁studied ▁medicine ▁at ▁the ▁University ▁of ▁St ▁Andrew s ▁School ▁of ▁Medicine . ▁He ▁made ▁his ▁debut ▁in ▁first - class ▁cr icket ▁for ▁Manchester ▁against ▁York shire ▁at ▁Manchester . ▁He ▁played ▁in ▁first - class ▁matches ▁for ▁Manchester ▁on ▁six ▁occasions ▁between ▁ 1 8 4 5 ▁and ▁ 1 8 5 2 , ▁including ▁on ▁three ▁occasions ▁when ▁the ▁matches ▁were ▁bil led ▁as ▁Lanc ash ire ▁v ▁York shire ▁in ▁ 1 8 4 9 ▁and ▁ 1 8 5 1 . ▁Ac ross ▁six ▁first - class ▁matches , ▁Bir ch ▁scored ▁