Rafael Viñoly Architects has had a difficult time of it in Great Britain, with various high-profile endeavors either delayed or rejected. This month, at last, Viñoly has a completed project: the Curve Theatre in Leicester, a £61 million building with two performance spaces (750 and 350 seats, both reconfigurable) and a striking curved façade of louvred glass. “Quite literally, a coup de théâtre.”