View source for Proof (theatre)

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A play by David Aubern, first produced in 2000, '''''Proof''''' won the 2001 Pulitzer Prize for Drama and the 2001 Tony Award for Best Play. [[Mary Louise Parker]] won a Tony for Best Actress for her portrayal of Catherine.

Catherine is the daughter of a brilliant but mentally ill mathematician, Robert, and has acted as his caretaker up until his recent death, putting off her own education to do so. Now in the wake of his death she has to deal with her well-meaning but frustrating older sister Claire, Robert's former grad student Hal's discovery of a paradigm shifting proof he attributes to Robert despite Catherine's insistence that she wrote it, and with the ghost of her father's genius and insanity, and how much of each she has inherited.

''Proof'' was made into a film in 2005. The film starred Gwyneth Paltrow as Catherine, Anthony Hopkins as Robert, Jake Gyllenhaal as Hal and Hope Davis as Claire. 

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* [[Adorkable]]: Hal.
* [[Black Sheep]]: Claire. She doesn't share her father and sister's genius, nor, as a result, their bond.
* [[Broken Bird]]: Catherine has a lot of emotional baggage. A lot.
* [[The Caretaker]]: Catherine, to her father, and later Claire to Catherine for a short period.
* [[Cloudcuckoolander]]: A heartbreaking example, Robert's writings in the scene in which Catherine discovers he's relapsed.
* [[Cool Old Guy]]: Robert, when he's coherent.
* [[Cool Teacher]]: Before his illness Robert was a professor, and well loved by his students.
* [[Dead All Along]] The play opens with a conversation between Catherine and Robert, until Catherine remembers that wait a second, Robert's dead. Makes his reassurance that she's not crazy ring kind of hollow.
* [[Dead Person Conversation]]: Opening scene between Catherine and Robert
* [[Defrosting the Ice Queen]]: Catherine goes through a bit of this in the first act, going from angry and sullen to actually trusting Hal enough to show him the proof.
* [[The Dutiful Son]]: Played with; both sisters invoke it on the other. Catherine stays home to care for her father and resents her older sister Claire for going to college and living her life in New York. But Claire is the more practical and stable one, and points out that she made a great deal of sacrifices in order to be able financially support her father and sister.
* [[It Runs in The Family]]: Catherine - and her sister - worry the Robert's mathematical genius isn't the only thing Catherine inherited from him.
* [[Geeky Turn On]]: Hal and Catherine's first kiss is while they are discussing mathematicians. 
* [[The Glorious War of Sisterly Rivalry]]: Catherine and Claire to minor extent, but it isn't played up very much. Both are very smart and both are attractive but Claire plays up her looks more while Catherine has a natural genius. As a result they fill the roles of the pretty and the smart sister, respectively. 
* [[Good with Numbers]]: Applies to all four characters, though Claire explicitly says that she's always been good with numbers, but doesn't come close to her father's (or her sister's) genius.
* [[Like Father, Like Son|Like Father Like Daughter]]
* [[Maybe Ever After]]: At the end of the play it seems that Catherine has forgiven Hal, as she's discussing the proof with him, but the nature of their future relationship is left open ended.
* [[Maybe Magic, Maybe Mundane]]: The opening scene where Catherine talks to her (dead) father. Maybe she's losing it, or maybe she was just dozing off, or maybe it was ghost (generally thought to be one of the first two).
* [[Mad Mathematician]]: Robert has schizophrenia, as seen in the flashback scenes, and his work devolves into bizarre ramblings. Possibly Catherine.
* [[The Mentally Disturbed]]: Robert
* [[Missing Mom]]: The mom gets barely a passing mention, having died years before the action of the play.
* [[Nice Job Breaking It, Hero|Nice job betraying her trust, Hal.]]
* [[The Obi-Wan]]: Robert, in addition to being Catherine's father, was Hal's adviser for his doctoral thesis. Also, his death is the impetus for the discovery over Catherine's proof, which she says she worked on to pass the time while taking care of Robert during his long illness.
* [[Posthumous Character]]: Robert
* [[The Public Domain Channel]]: Robert watches ''[[Night of the Living Dead]]''.
* [[Second Act Breakup]]: Though the romance isn't the main focus of the play, it pretty much follows this. After finally starting to trust Hal, that all goes away when he doesn't believe her about the proof. By the end of the play she's tentatively forgiven him and we're left with a [[Maybe Ever After]].
* [[She Cleans Up Nicely]]: Catherine in the dress Claire buys her.
* [[The Windy City]]: Set in Chicago

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[[Category:Theatre of the 2000s]]