Not everyone will know that the Bloomsbury group had a jobbing economist among them. One with superstar status and a firm belief in capitalism. John Maynard Keynes (Rory Kinnear) may not have cut a very bohemian picture in his three-piece suit but the foremost thinker of economic policy in 20th century Britain was also a card-carrying art lover, avant-gardist and bisexual who had affairs with Lytton Strachey and Duncan Grant, hanging out with the gang at their nerve-centre in Charleston.
He is played with equal amounts of old-school reserve, and charm, by Kinnear, as state-of-the-nation writer, James Graham, audaciously brings economic theory to the West End. The high-wire act of the subject matter is leavened by Graham’s remarkable facility to balance British social history and complex political ideas with speed, sparkle and a humorous lightness of touch.