Proof is a 2005 American drama film directed by John Madden and starring Gwyneth Paltrow, Anthony Hopkins, Jake Gyllenhaal, and Hope Davis; it was written by Rebecca Miller, based on David Auburn's Pulitzer Prize-winning play of the same title. The film opens with the 27-year-old protagonist, young mathematician Catherine talking to her father Robert after he startles her watching TV in the middle of the night. He gives her a bottle of champagne for her birthday, and they chat for a while about the nature of insanity - ending with the revelation that Robert died last week and his funeral is... tomorrow. Awoken from this dream, Catherine realizes that Hal , a former student of Robert's, is still upstairs, reading through Robert's books. Hal believes that somewhere in the gibberish there might be additional products of his mathematical genius. On his way out, he comments on the vast amount of work Robert did. Catherine, suspicious, searches his backpack but finds nothing, but when she picks up Hal's coat to give to him, a notebook falls out.
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| Release date: | September 30, 2005 |
| Directed by: | John Madden |
| Rated: |  |
| Runtime: | 100 Minutes |
| Producer: | Alison Owen, Jeffrey Sharp, John Hart, Robert Kessel |
| Editor: | Mick Audsley |
| Music by: | Stephen Warbeck |
| Cinematography: | Alwin H. Kuchler |
| Screenplay by: | David Auburn, Rebecca Miller |
| Estimated budget: | $20,000,000 |
| Adapted from: | Proof |