Postcard from G F Fg [George Francis Fitzgerald], 7 Ely Place, to Joseph Larmor, St John's College, Cambridge He was always fond of the dissociation theory of light vibrations but did not see that it disproved the theory that energy was equally divided among all different kinds of possible motion. Now, he cannot see why both might not be true, but that was not so when he invented his idea of a common co-ordinate for a million atoms. 28 February 1895