Agreed to support [W.] Hume-Rothery's application for [F.R.N.] Nabarro without properly considering other possible applicants [for Beilby Memorial Award]. Comments on Nabarro's work; thinks his main achievement is the theory of the hardness of solid solutions. Difficult to compare Nabarro with H. Jones has done one important thing - the explanation of the Hume-Rothery rule; since then his work has been disappointing. Nabarro is an active, valuable member of a group which is putting a real experimental and mathematical basis behind the dislocation theory.