Letter from Otto Robert Frisch, on a paper 'A phenomenological approach to meson production in nucleon-nucleon collisions' by E A Power, to D C Martin Paper reference code: A118 Frisch has sent the paper by Miss Power on Meson Theory to Dr J Hamilton, who will send his report soon. Written at London, [England]. [Published in Proceedings A, 1951]. Endorsed on recto as received 26 June 1951. 25 June 1951