Isaac Gibbs (Hal) Isaac Gibbs is thrilled to be making his debut with Centre Stage in Proof! He is a recent graduate of Furman University and the University of North Carolina School of the Arts. His recent Greenville credits include Much Ado About Nothing, Macbeth, Othello, and Merry Wives of Windsor (Warehouse Theater) and A Christmas Carol (Greenville Theater). If you fancy college theater, you may have seen him in On The Verge, Never Swim Alone, or Love and Information (Furman University). He is also a proud alumni of the South Carolina Governors School for the Arts and Humanities.