第一篇:Einstein'scontributionstophysicsbeganin1905withthreemajorresults:theexplanationofBrownianmotionintermsofmolecules;theexplanationofthephotoelectriceffectintermsofthequantum;andthespecialtheoryofrelativitythatlinkstimetospaceandenergytomatter.From1907to1915Einsteindevelopedgeneralrelativity,atheoryofgravitymoreaccuratethanNewton's;itbecamethebasisoftheoreticalcosmology.Infailedeffortsinthe1930storefutetheinterpretationofquantumtheoryintermsofprobability,Einsteincontributedtothetheoreticalbasisforwhatissometimescalledteleportationofphotons(whichEinsteincalled"spookyactionatadistance").Hislastmajoreffortwasanattempttounifyelectromagnetismandgravityintoasingleunifiedfieldtheory,stillanactiveproblemofphysics. 　　第二篇:Einstein,Alberttheoreticalphysicist,borninUlm,Germany.Einstein's1939lettertoPresidentFranklinD.RoosevelturgingthattheUnitedStatesdevelopanatomicbombgaverisetotheManhattanProject.Einsteinhimself,however,playednoroleinthatundertaking.HereceivedtheNobelPrizeinphysics(1921)forhiselaborationofthequantumtheory. 　　第三篇: 　　Einstein'sscientificworkfromthispointwasdevotedtohisefforttocreateaunifiedfieldtheory,linkingelectromagnetismandlight.Althoughsuchatheoryeludedhim,andotherscientistsproclaimeditimpossible,hepersistedwithcharacteristicstubbornness.HeconsultedforthenavyontheManhattanProjectduringWorldWarII,anactionthatwentagainsthispacifistgrainbutseemedessentialatthetimebecauseofthewar'smenace.