▁degree ▁in ▁chem istry ▁at ▁Pr inc eton , ▁where ▁he ▁lived ▁in ▁the ▁residence ▁h alls . ▁George ▁then ▁moved ▁to ▁Ber keley , ▁California , ▁in ▁the ▁ 1 9 6 0 s ▁in ▁order ▁to ▁obtain ▁a ▁Ph . D ▁in ▁bio chem istry , ▁comple ting ▁his ▁doctor ate ▁degree ▁in ▁ 1 9 6 7 . ▁Initial ly , ▁Ch ang ▁was ▁a ▁resident ▁of ▁the ▁international ▁student ▁housing ▁facilities ▁known ▁as ▁the ▁International ▁House , ▁or ▁I - H ouse . ▁In ▁ 1 9 6 4 , ▁Ch ang ▁moved ▁into ▁an ▁a partment ▁on ▁the ▁north ▁side ▁of ▁campus ▁and ▁res ided ▁in ▁that ▁area ▁until ▁he ▁became ▁a ▁part ▁of ▁the ▁Res ident ial ▁Fac ulty ▁Program . ▁ ▁U C ▁Ber keley ▁In ▁ 1 9 7 0 , ▁Ch ang ▁became ▁part ▁of ▁the ▁fac ulty ▁in ▁the ▁College ▁of ▁Natural ▁Resources . ▁During ▁the ▁ 1 9 8 0 s , ▁he ▁served ▁on ▁the ▁campus ' s ▁Mas lach ▁Commission , ▁which ▁made ▁recommend ations ▁on ▁impro ving ▁under grad u ates ' ▁time ▁at ▁Ber keley . ▁Ch ang ▁is ▁currently ▁an ▁Associ ate ▁Professor ▁Emer it us ▁in ▁the ▁Department ▁of ▁N ut r itional ▁Sciences ▁and ▁To xic ology , ▁where ▁he ▁has ▁taught ▁for ▁over ▁ 3 0 ▁years . ▁His ▁concentration ▁is ▁food ▁safety . ▁As ▁a ▁food ▁micro bi ologist , ▁he ▁works ▁on ▁food bor ne ▁ill ness ▁and ▁the ▁micro bi ological