However, a top government adviser on immigration, Professor David Metcalf, has said that the cap could lead to the government being forced to allow workers bringing families.

BBC: Home Affairs Committee

Strikes in essential industries were running at less than a third their 1970s' level by the 1990s, according to an analysis by Stephen Dunn and David Metcalf, two industrial-relations academics, published on March 3rd by the Employment Policy Institute.

ECONOMIST: Strikes

Almost 300 actors have performed the play with David Raven making the Guinness Book of Records as "most durable actor" for 4, 575 performances as Major Metcalf.

BBC: Jubilee celebration for Mousetrap