Original: Albert Einstein ( 1905 ) '' Zur Elektrodynamik bewegter Körper '' , Annalen der Physik 17 : 891 ; English translation On the Electrodynamics of Moving Bodies by George Barker Jeffery and Wilfrid Perrett ( 1923 ) ; Another English translation On the Electrodynamics of Moving Bodies by Megh Nad Saha ( 1920 ) .
Simplified: In 1905 , Einstein published his article introducing special relativity , '' On the Electrodynamics of Moving Bodies '' , in Annalen der Physik .