Scienceandtechnologyisthefirstproductivity--DengXiaopingUnit20Lesson3ScientificBreakthroughsPioneersofScienPioneersofScienceceTellmesomeoffamouspioneersofscienceofthe20thcenturyandtheirscientificbreakthroughsHisgreatestdiscoveryisthecreationofhisfamousTheoryofRelativity
AlbertEinsteinAlbertEinsteinwasconsideredthegreatestscientistofthe20thcentury
EdwinHubblewasanAmericanastronomer
Hismostimportantdiscoverywastheexpandinguniverse
EdwinHubbleTelelscopeHubblespacetelescopeAlexanderFleming,aScottishbiochemist,discoveredPenicillin
AlexanderFlemingPenicillinThedesignerofENIAC,thefirstcommercialcomputermadeintheUnitedStates
JohnWilliamMauchlyandJ
PresperEckertTheWorldFirstComputerPercySpencer,anAmericanengineerandinventor,discoveredmicrowaves
PercySpencer1
TheequationE=mc22
Penicillin3
Thefirstco