A question and answer programme in which a panel of scientists replies to listeners' questions on science and technology
Guest of the week:
S. J. Folley F.R.S. ,of the National Institute for Research in Dairying
The Panel:
Robert Boyd , Peter Sykes
G. P. Wells
In the chair, Sam Pollock
If you have a question you would like to put to the panel please write it on a postcard and address it to ' Who Knows?,' BBC, Broadcasting House, London, W.i.
