Letter from David Christie Martin, to John Edward Lennard-Jones, regarding a paper 'On the theory of statistical and isotropic turbulence' by Werner Karl Heisenberg Sectional Committee: Physics Recommends accepting the paper without sending to a referee. The natural referee would be Geoffrey Ingram Taylor, but he has communicated the paper. Paper dictated by Alfred Charles Glyn Egerton, and signed in his absence. [Published in the 'Proceedings of the Royal Society of London'] Endorsed on recto as received 22 June 1948. 17 June 1948