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Proof

When Catherine, the daughter of a late prize-winning mathematician, allows her father’s protege access to his archives, he discovers an impossible math proof – improbably solved. What follows is a debate over the proof’s true author, a clash between sisters over plans for the estate, and a romance that pushes Catherine to trust her heart. A story about escaping the isolation of genius and embracing the promise of love, Proof is the inspirational story we all need right now.

Tony-Award- and Pulitzer Prize-winning play

Tucson: Tempe/Phoenix:
  • "With an exceptional cast and crisp direction, Arizona Theatre Company's production of Proof ... is a perfect production ... "
    - Talkin' Broadway
  • "Goldstein's direction keeps the emotional stakes firmly at the forefront, with most of the action taking place close to the edge of the stage, which makes the audience feel closely connected to the characters and deeply invested in their struggles."
    - Talkin' Broadway
  • "Kate Mansi is extraordinary as Catherine …"
    - BroadwayWorld
  • "Scott Lowell gives Robert a vitality and frenzy and warmth … "
    - BroadwayWorld
  • "Rishan Dhamija is dashing and so very likable as Hal …"
    - BroadwayWorld
  • "Emma Childe Maltby … plays Claire’s skepticism about her sister with conviction and her insistence with real force …"
    - BroadwayWorld

Three Things to Know

  • David Auburn’s Proof explores timeless questions about family, trust, inheritance, and the complicated relationship between genius and madness.
  • After premiering in 2000, Proof won both the Pulitzer Prize for Drama and the Tony Award for Best Play.
  • While the title refers to a mathematical proof, it also speaks to the deeply human search for love, trust, and identity.

Run Time:

The run time for Proof is 125 minutes and includes 1 15-minute intermission.

Show Dates

September 27, 7 PM – Teacher Preview
September 29, 7:30 PM – Preview
September 30 – Preview, Community Night & Pre-Show Conversation with the Director
October 1, 7:30 PM – Opening Night
October 2, 7:30 PM – Pride Night
October 3, 2 PM & 7:30 PM
October 4, 3 PM
October 7, 2 PM & 7:30 PM
October 8, 7:30 PM
October 9, 7:30 PM
October 10, 2 PM & 7:30 PM
October 11, 3 PM
October 13, 2 PM
October 14, 2 PM & 7:30 PM
October 15, 2 PM & 7:30 PM
October 16, 7:30 PM
October 17, 2 PM & 7:30 PM

October 24, 12 PM – Teacher Preview & Pre-Show Conversation with the Director
October 24, 7:30 PM – Opening Night
October 25, 3 PM
October 28, 7:30 PM – Community Night
October 29, 7:30 PM
October 30, 7:30 PM – Pride Night
October 31, 2 PM & 7:30 PM
November 1, 3 PM
November 4, 2 PM & 7:30 PM
November 5, 7:30 PM
November 6, 7:30 PM
November 7, 2 PM & 7:30 PM
November 8, 3 PM

Proof Cast

Proof Creatives

Review: PROOF at Arizona Theatre Company

PROOF, Arizona Theatre Company’s production of David Auburn’s Pulitzer-winning drama, begins with a late-night conversation between a father and daughter that seems simple enough. Catherine is twenty-five and has spent years caring for her father, Robert, a once-legendary University of Chicago mathematician whose mind came apart long before Continue reading …

Review: “PROOF” Brilliantly Explores How Genius Influences Personal Relationships

Arizona Theatre Company’s (ATC) season opener, “Proof,” brings multiple elements together to create an exciting and dynamic production. First is the play, a 2000 Pulitzer Prize-winning and Tony Award honoree David Auburn play about mathematicians working out theories within the context of solving complicated family and personal battles that have played Continue reading …

Review: Proof is a Thought-provoking and Emotionally Resonating Drama

David Auburn’s Pulitzer Prize winning Proof is a thought-provoking and emotionally resonating drama that explores the intricate connections among mathematics, mental health, trust, and family relationships. At its heart, the play considers what it means to inherit not only a parent’s brilliance, but also the fears, vulnerabilities, and emotional burdens that can accompany it. Continue reading …

2026/2027 Season Tickets and Flex Pass Subscriptions are Available!

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