Ten days ago the Department of Education and Science published two reports on the supply and training of scientific and technical manpower in Britain by committees under Sir Willis Jackson and Prof. Michael Swann. The contents of these reports were summarized briefly in pages 227–8 of this journal last week. There follow solicited comments on the reports from Sir Eric Ashby, Lord Bowden, Dr. D. G. Christopherson, Sir Nevill Mott, Prof. M. Stacey and Dr. G. Templeman.