“Endlessly fascinating…. The most invigorating and ingenious play of ideas in many a year…. An electrifying work of art.”–Ben Brantley, The New York Times
“Superbly dramatized…. [Frayn] has an elegant, almost algebraic way with the structure of a play…. Copenhagen offers a particular kind of brain-teasing pleasure.”–John Lahr, The New Yorker
“Scintillating…. A dazzling fugue.”–San Francisco Examiner
