▁magnet o - c ath ode ▁ray s ▁by ▁Paul ▁Ulrich ▁Vill ard ▁( 1 9 0 4 ) ▁seemed ▁to ▁threaten ▁the ▁entire ▁theory ▁of ▁Lor ent z , ▁but ▁this ▁problem ▁was ▁quickly ▁solved . ▁However , ▁although ▁in ▁his ▁philosoph ical ▁writ ings ▁Po inc ar é ▁rejected ▁the ▁ideas ▁of ▁absolute ▁space ▁and ▁time , ▁in ▁his ▁physical ▁papers ▁he ▁continued ▁to ▁refer ▁to ▁an ▁( und et ect able ) ▁a ether . ▁He ▁also ▁continued ▁( 1 9 0 0 b , ▁ 1 9 0 4 , ▁ 1 9 0 6 , ▁ 1 9 0 8 b ) ▁to ▁describe ▁coordinates ▁and ▁phen omena ▁as ▁local / app ar ent ▁( for ▁moving ▁obser vers ) ▁and ▁true / real ▁( for ▁obser vers ▁at ▁rest ▁in ▁the ▁a ether ). ▁So , ▁with ▁a ▁few ▁exceptions , ▁most ▁histor ians ▁of ▁science ▁argue ▁that ▁Po inc ar é ▁did ▁not ▁invent ▁what ▁is ▁now ▁called ▁special ▁relativ ity , ▁although ▁it ▁is ▁admitted ▁that ▁Po inc ar é ▁anticip ated ▁much ▁of ▁Ein stein ' s ▁methods ▁and ▁termin ology . ▁ ▁Special ▁relativ ity ▁ ▁Ein stein ▁ 1 9 0 5 ▁ ▁Elect rod ynam ics ▁of ▁moving ▁bodies ▁ ▁On ▁September ▁ 2 6 , ▁ 1 9 0 5 ▁( rece ived ▁June ▁ 3 0 ), ▁Albert ▁Ein stein ▁published ▁his ▁ann us ▁m ira bil is ▁paper ▁on ▁what ▁is ▁now ▁called ▁special ▁relativ ity . ▁Ein