�������byCateFoleyillustratedbyTomMcKeebyCateFoleyillustratedbyTomMcKeeCopyright©byHarcourt,Inc.Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformorbyanymeans,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,withoutpermissioninwritingfromthepublisher.RequestsforpermissiontomakecopiesofanypartoftheworkshouldbeaddressedtoSchoolPer-missionsandCopyrights,Harcourt,Inc.,6277SeaHarborDrive,Orlando,Florida32887-6777.Fax:407-345-2418.HARCOURTandtheHarcourtLogoaretrademarksofHarcourt,Inc.,registeredintheUnitedStatesofAmericaand/orotherjurisdictions.PrintedintheUnitedStatesofAmericaISBN10:0-15-351700-XISBN13:978-0-15-351695-5OrderingOptionsISBN10:0-15-351216-4(Grade6AdvancedCollection)ISBN13:978-0-15-351216-2(Grade6AdvancedCollection)ISBN10:0-15-358183-2(packageof5)ISBN13:978-0-15-358183-0(packageof5)Ifyouhavereceivedthesematerialsasexaminationcopiesfreeofcharge,HarcourtSchoolPublishersretainstitletothematerialsandtheymaynotberesold.Resaleofexaminationcopiesisstrictlyprohibitedandisillegal.Possessionofthispublicationinprintformatdoesnotentitleuserstoconvertthispublication,oranyportionofit,intoelectronicformat.12345678910179121110090807063Thinkofsomeofthegreatestinventionsofthelastonehundredyearsorso—thetelephone,thetelevision,theautomobile,thecomputer,theInternet.Weoftenmarvelatthetime-saving,perhapsevenlife-saving,aspectsofmodern-dayinventions.Howoftenhaveyouthoughtaboutthepersonbehindtheinvention?Noinventionswouldexistwithouttheinventor.Onesuchinventorstartedhiscareeratquiteayoungage.Overcomingillnessandtragedy,thisboygrewuptobeoneofthemostinnovativethinkersofalltime.Notonlywasheaninventor,hewasalsoagreatteacherandabeaconofhopeforpeoplewhowerehearingimpaired.����������������������������������������������������������������������������������������������������������������������...
