Born in Chicago, Illinois, 29 June 1937. educated at the University of Chicago, B.A. in philosophy 1960. Married Philip Glass (divorced); one daughter. Presented work and taught playwriting throughout North America, europe, Australia, Nicaragua, Israel, and Japan. Co-founder of Mabou Mines, New York, 1970, and performer, designer, and director, 1970-90; playwright-in-residence, Mark Taper Forum, Los Angeles, 198485; artistic associate, Joseph Papp Public Theater, New York, 1990-91; artistic director, New York Shakespeare Festival, 1991-93. Recipient: Obie award, 1976, 1977, 1979, 1984; Guggenheim fellowship, 1981; Rosemund Gilder award, 1981; Drama Desk award, 1983; Rockefeller grant, 1984.