Barry Paris, in his 1994 biography Garbo, says that Hanson met Garbo and Stiller at a party where Hanson became intoxicated and he drove off on his own, leading to the fatal accident.
The account from Barry Paris's 1994 biography of Greta Garbo states that Hanson met Garbo and Stiller at a party where he was intoxicated and subsequently drove away, leading to the fatal accident.