Becker, Jules, "Copenhagen: A Magical Blend of Physics and Dramatic Events," in Telegram and Gazette (Worcester, Massachusetts), May 11, 2002, p. A6.

Berson, Misha, "Frayn's Copenhagen Is Intensely Engaging," in Seattle Times, October 2, 2002, p. F1.

Frayn, Michael, Copenhagen, Methuen, 1998.

Klein, Julia M., "When Plays Touch on History, What Is Truth?" in Chronicle of Higher Education, Vol. 47, No. 38, June 1, 2001, p. 19.

Kroll, Jack, "An Atomic Encounter," in Newsweek, Vol. 135, No. 17, April 24, 2000, p. 73.

Logan, Jonothan, "A Strange New Quantum Ethics," in American Scientist, Vol. 88, No. 4, July—August 2000, pp. 356—59.

Lyall, Sarah, "Ambiguity Fires a Novelist and Playwright," in New York Times, October 25, 1999, p. E1.

MacFarquhar, Larissa, "A Dry Soul is Best," in New Yorker, Vol. 80, No. 32, October 25, 2004, p. 64.

Marks, Peter, "The Physics of Ambiguity, Acutely Observed in Copenhagen," in Washington Post, July 13, 2004, p. C1.

Pressley, Nelson, "Copenhagen: High-Fission Drama," in Washington Post, March 1, 2002, p. C1.

Rose, Paul Lawrence, "Frayn's Copenhagen Plays Well...