Fokker sends Whitehead an article he had written for a Dutch journal; asks that he send a copy of Principle of Relativity to the "Physica" journal for review purposes.
Montague thanks Whitehead for sending him a copy of Principle of Relativity, expresses shock that the Special Theory of Relativity is true, laying out various doubts and difficulties he has with it. Also mentions T.P. Nunn in a PS.