Eva Le Gallienne, a pioneering actress, director and producer whose career in the American theater spanned eight decades, has died at age 92. Ms. Le Gallienne died at home Monday in Weston, Conn., of heart failure. She made her American acting debut in 1915, playing Rose in "Mrs. Boltay's Daughters." She last appeared on the stage as the White Queen in the 1982 Broadway production of "Alice in Wonderland." She is credited with opening the first successful American theater company, the Civic Repertory Theatre, in 1926. She wrote two autobiographies, "At 33" in 1934 and "With a Quiet Heart" in 1953.