'RS [Royal Society] investigation', file of M S Bartlett File contains research notes, tables of data [including fellowship statistics] and drafts of a paper by Bartlett entitled 'Note on the furture age distribution and number of fellows of the Royal Society'. File also contains a copy of a paper by A V Hill entitled 'Age of election to the Royal Society' and a list of Fellows of Foreign Members who died in 1944. 1960s