The latest Progress Report of the UK’s National Cataloguing Unit for the Archives of Contemporary Scientists (NCUACS) reports on the four latest collections to be processed: those of the chemical engineer Sir Frederick Warner (including extensive documentation of the three SCOPE projects he led), the geologist D.F.W. Baden-Powell, the molecular biologist and Nobel Laureate Cesar Milstein and the biochemical engineer E.M. Crook. The Report is online at www.bath.ac.uk/ncuacs.