A cofounder of the Provincetown Players - the group that acted as midwife to the American theatre - Susan Glaspell (1876-1948) can also lay claim to be a major figure in her own right. Her early plays were in many respects as challenging and original as those with which O'Neill made his debut. Her concern with language as subject, with character as an expression of social role, with plot as a mechanism that may ensnare rather than locate the self,...