Actress Mary Tyler Moore is shown as TV news producer Mary Richards in a scene from the "The Mary Tyler Moore Show" in August 1970.

Actor Dick Van Dyke, right, looks on as actress Mary Tyler Moore walks by in Los Angeles, Calif., in 1962. They starred together in "The Dick Van Dyke Show."

Ed Asner and Mary Tyler Moore in a scene from the first season of "The Mary Tyler Moore Show." Asner played Lou Grant, the tough but lovable boss of Moore's character, Mary Richards.

Mary Tyler Moore holds her Emmys at the 26th Annual Primetime Emmy Awards in Los Angeles, Ca., on May 28, 1974. Moore won best actress of the year in a comedy series and best actress in a television series for her role on the "Mary Tyler Moore Show."

Mary Tyler Moore and Jack Lemmon pose at the 53rd Academy Awards in Los Angeles, Calif., in 1981. Moore had been nominated for Best Actress for her film "Ordinary People," and Lemmon was nominated for Best Actor for his film "Tribute." Neither one won that year.

Arriving for the 25th Annual Emmy Awards telecast in 1973 at the Shubert Theater in Los Angeles are Mary Tyler Moore star of "The Mary Tyler Moore Show," and her husband, NBC Vice President Grant Tinker.

Actress Mary Tyler Moore filming "First You Cry" in 1978 in New York City.

Mary Tyler Moore, international chair of the Juvenile Diabetes Research Foundation, takes part in a juvenile diabetes event on Capitol Hill in 2005.