Letter from Henry Gerard Thornton, on three papers 'Alkali metal ions in the metabolism of Bact. lactis aerogenes' Parts I, II and III by A A Eddy, T C N Carrol, C J Danby and Sir Cyril Hinshelwood, to D C Martin Paper reference code: B1-B3 Thornton returns three papers and recommends they should be published. Written at Down Green, Wheathampstead, Hertfordshire [England]. [All three papers published in Proceedings B, 1951]. Endorsed on recto as received 5 February 1951. 3 February 1951