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; Author: Godman, John D; Publication Place: Philadelphia; Publisher: Thomas T. Ash-Key and Biddle

Bundle of letters re Ramsey H Frist who worked at VRU on a fellowship between 1965 and 1967. Booklet about US fellowship programmes, Us Dept. of Health, 1 July 1963. Letters btw Ramsey H Frist (University of Pittsburgh, Pennsylvania, USA) and Roy Markham re the fellowship including details of research proposal, 5, 12 June, 10 July 1964, 18 Feb, 18, 23 April, 20 Aug, 10 Sep, 1965, 20 june 1967 Rejection letter from US Public Health Service, 8 Feb 1965 Award letter and notice, 5 April 1965. US Public Health Service Fellowships flyer, nd [c 1965] Continuation of fellowship request form filled out by RM including details of previous years work, 25 April 1966. Letters to Mrs MC McKimmie (Career Develop., NIH, USA) and Dr Norman G Anderson (Oak Ridge Nat. Labs., Tennessee, USA) from RM re references for RHF, , 7 Dec 1966 Other misc notices/forms

Catalogue: Rare and Ornamental Alpines, Herbaceous Plants, Aquatics, Hardy Ferns 1934, Gardens Department, Darlington Hall Ltd., Totnes, S. Devon

; Author: Jones, Henry Festing; Publication Place: Berlin; Publisher: Alfred Metzner Verlag

Letter to Bateson from Mary Ward, with 4pp manuscript notes (2pp in Bateson's hand), on cross-breeding of rats.

The volumes detail experiments conducted by Professor Ray Dixon FRS during his PhD and early postdoctoral period at the ARC Unit of Nitrogen Fixation, University of Sussex. The volumes from 1969-1976 detail the experiments which formed the basis of three papers published in Nature during the 1970s. 1. Dixon, R.A., and Postgate, J.R. (1971). Transfer of nitrogen-fixation genes by conjugation in Klebsiella pneumoniae. Nature 234, 47-48. 2. Dixon, R., and Postgate, J.R. (1972). Genetic transfer of nitrogen fixation from Klebsiella pneumoniae to Escherichia coli. Nature 237, 102-103. 3. Dixon, R., Cannon, F., and Kondorosi, A. (1976). Construction of a P plasmid carrying nitrogen fixation genes from Klebsiella pneumoniae. Nature 260, 268-271. Publication 2 is particularly notable, because it reported the first transfer of an entire nif gene cluster into an organism that does not fix nitrogen, thus engineering the first synthetic diazotroph. This work was conducted prior to the advent of recombinant DNA technology and has been highly cited. Publication 3 was also a landmark in the field, as it reported the engineering of a plasmid that enabled genetic characterisation and cloning of nitrogen fixation genes. It has formed the basis of many recent synthetic biology advances, including the engineering of nitrogenase components in plant mitochondria. Most volumes are organised chronologically, but the first volume is arranged into sections, which group details of methods used, and individual experiments separately.

RC Tayne Smith (Constantinople)

Re: application for grant from Development Commission to establish a subsidiary garden for new varieties of fruit

Re: Edward K Balls' Expedition to the Caucasus, Greece and Armenia: Edward K Balls, AD Hall, Dr N I Vavilov