A Pulitzer Prize- and Tony Award-winning drama opens this weekend at Playcrafters Barn Theatre in Moline.

In "Proof," Catherine (Stephanie Moeller), after years spent caring for her brilliant, but unstable, father (Mark McGinn), must deal with the affections of one of his former students (Bryan Lopez), and her estranged sister's (Alexa Florence) plans for her, while she struggles to solve the biggest issue of all: How much of her father's madness — or genius — will she inherit?

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