Just a Minute appeared on the panel, and others have acted as chairman including Sir Clement Freud, Geraldine Jones, Andrée Melly "as our contribution to the women's liberation movement", and Kenneth Williams. Ian Messiter was chairman on one occasion in 1977, when Freud arrived late and Nicholas Parsons took his place on the panel. Parsons had appeared on every show, either as chairman or panelist, until Series 81 Episode 4 when he was absent for the first time in the show's 51 year history. That show, broadcast on BBC Radio 4 at 18:30hrs on the 4th June 2018, was hosted by Gyles Brandreth
Who Knows? (game show) from 3 July to 25 September 1959. Who Knows? (game show) Who Knows? is a Canadian television panel game quiz show which aired on CBC Television in 1959. James Bannerman hosted this show in which a panel attempts to guess the identity of an artifact from a gallery or museum. Archaeologists Walter Kenyon and John Lunn of the Royal Ontario Museum were regular panelists who were joined by a third guest panelist. This concept was previously demonstrated during some episodes of "Tabloid". CBC broadcast a similar panel game quiz program, "What on Earth", from 1971 to 1975. This half-hour series