Original and Photocopied Material for Research Original and photocopied material for research collected by Ben Rogers, including; papers from other collections; with correspondence to and from A J Ayer, articles written after Ayer's death, obituaries, and wider reading as well as audio and visual items of videos and cassette tapes. The tapes are in good condition with good recordings. Arranged by file order and subject, to preserve orginal order, items are listed in chronological order in the file, do not appear in this order in the folders. 1932-1998