The Columbia College theater department has extended by a month the proposal deadline for papers to be presented at its international symposium on Chicago theater. The new deadline is October 1, and “emerging scholars” are especially encouraged to apply.

The symposiuim, Chicago, Theatre Capital of America: Past, Present, Future, is set for May 18-22, 2011. DePaul University’s Lisa Portes, and Northwestern University’s Harvey Young have been added to the list of speakers, which already included British critic Michael Billington, Steppenwolf artistic director Martha Lavey, former Tribune critic Richard Christiansen, and New Dramatists artistic director Todd London.