Would you take your parent to court to get a raise in your allowance?

Available for over a year

Calouste Gulbenkian, once the world’s richest man, and his son Nubar were very different personalities. When the formerly-independent Nubar became - in his middle age - his father’s employee, the seeds were sown for a very public disagreement. Professor of Business History Joost Jonker takes up the story. Photo: Nubar Gulbenkian (Dominique Berretty/Gamma-Rapho via Getty Images)