Postcard from G F Fg [George Francis Fitzgerald], Trin Coll Dub [Trinity College, Dublin], to Joseph Larmor, St John's College, Cambridge Fitzgerald was too lazy to look up Larmor's references before. He poses the question, if an electron comes up quickly and goes away slowly, where happens to the work done? He thinsk a reaction on the electron, but cannot think how, giving a case of circular motion. 27 February 1895