His fourth wife, Barbara, had been married to one of the Marx brothers.

ECONOMIST: Frank Sinatra

With the sunken eyes of a Munch painting and the floppy limbs that characterise the Marx brothers, Mr Rush's Berenger is a despot in decline.

ECONOMIST: Eug��ne Ionesco's ��Exit the King��: Forgotten gem | The

Mine, by far, is A Night at the Opera, featuring the brothers Marx.

BBC: Alex Salmond's night at the opera