Career
Amongst his most famous works are Count Folke Bernadotte: his Life and Work (1949), The Richest American: Jean Paul Getty (1960) and the Vidkun Quisling biography Quisling: Prophet without Honour (1965), which was translated into Norwegian in 1966 under the title Quisling: profet uten ære. The biography of Quisling stirred much controversy in Norway, because of its positive portrayal of the Nazi collaborationist Quisling.