5.CartoonGiantWilliamHannaItsasaddayinToontown.CartoonpioneerWilliamHanna,co-chairmanandco-founderofHanna-BarberaStudios,passedawayonMarch22athishomeinNorthHollywood.Hewas90.HannawasresponsibleforsuchfamousanimationiconsasTomandJerry,HuckleberryHound,YogiBear,TheFlintstonesandTheJetsons.“Billwasacartoonscientistandageniusattiming,”saidBettyCohen,presidentoftheCartoonNetwork,“ThecartoonsofHanna?Barberahaveinfluencedandentertainedgenerationsofkidsandadultsandwillserveasalegacytohistalent.”BorninNewMexicoin1910,Hannastudiedjournalismandengineeringincollege.Heleftschoolin1929tostartworkasastructuralengineer,onlytobelaidoffduringtheDepression.HethenmovedontoanimationandformedapartnershipwithJosephBarberaattheearlyageof27--apartnershipthatwouldcometodefinetherestoftheircareers.TheMetro-Goldwyn-Mayer(MGM)hiredhimin1937a