So Proof becomes as much about how subjective validation can become when the evidence is about people rather than numbers. Catherine can’t prove she authored the proof — Claire has common-sense reasons to be dubious — without earning some faith in herself.
Most of the performances are persuasive about the characters and their relationships, especially Hughes and Luzitano as the sisters, whose siblingfriction establishes some realistic sparks. As the ambitious grad student, Connors goes for a nervous dweebishness that makes plausible that Hal is hapless rather than scheming. Zinger is often hesitant with Robert’s lines, interrupting the flow, but his presence as a vague and absent-minded professor is basically convincing.
This production, directed by Peter Wright, may not satisfy everyone who has seen the play before and thereby is more interested in the performances than in the plot. But newcomers to Auburn’s intriguing story will likely be carried along.
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, Science and Technology, Sciences, University of Chicago, More 
, Science and Technology, Sciences, University of Chicago, David Auburn, Roger Williams University, Mathematics, Katie Hughes, proof, Peter Wright, Less 
