Seacoast Repertory Theatre
125 Bow St, Portsmouth, NH 03801
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Catherine has spent years caring for her brilliant but unstable father, a famous mathematician. Following his death, the arrival of her estranged sister, the attentions of her father's former student and the discovery of a mysterious notebook draw her into the most difficult problem of all: how much of her Father's madness - or genius - will she inherit? David Auburn's Proof won the Tony Award and the Drama Desk Award for Best Play, as well as the Pulitzer Prize for Drama.

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