Referee's report by Nevill Francis Mott, on a paper 'Thermal scattering of X-rays by crystals - I. Dynamical foundation' by G H Begbie and Max Born Sectional committee: Physics Recommended for publication in Proceedings or Philosophical Transactions. Contains extra question - 'Is there any information contained in the paper which likely to be of value to the enemy?' Referee replies no. [Published in Proceedings of the Royal Society A, 1947]. Date received not given. 1945