Letter to Vincent Brian Wigglesworth, regarding a paper 'The biological activity of phenolic compounds. The effect of surface active substances upon the penetration of hexyl resorcinol into Ascaris lumbricoides var. suis' by A E Alexander and A R Trim Sectional Committee: Zoology The paper has been sent to a physical chemist, but the Secretaries would like him to also take a look at it. [Published in the 'Proceedings of the Royal Society of London'] No received date. 20 December 1944