She received Tony Award nominations as Best Actress (Dramatic) for “Abelard and Heloise” (1972) and for “The Misanthrope” (1975). She won the Best Actress (Play) Tony Award in 1994 for her performance in the title role of “Medea”. In recent years, her performances in “Who’s Afraid of Virginia Woolf?” and “Mother Courage and Her Children” have led critics to proclaim her one of the greatest actresses on the British stage.