Who was the subject of the 2004 film The Aviator

Howard Hughes
The Aviator is a 2004 American biographical drama film directed by Martin Scorsese, written by John Logan.

It stars Leonardo DiCaprio as Howard Hughes, Cate Blanchett as Katharine Hepburn and Kate Beckinsale as Ava Gardner.

The supporting cast features Ian Holm, John C. Reilly, Alec Baldwin, Jude Law as Errol Flynn, Gwen Stefani as Jean Harlow, Kelli Garner as Faith Domergue, Willem Dafoe, Alan Alda, and Edward Herrmann.

Based on the 1993 non-fiction book Howard Hughes: The Secret Life by Charles Higham, the film depicts the life of Howard Hughes, an aviation pioneer and director of Hell's Angels.

The film portrays his life between the late 1920s and late 1940s, during which time Hughes became a successful film producer and an aviation magnate while simultaneously growing more unstable due to severe obsessive–compulsive disorder (OCD).

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