At age 18 in 1955, Moore married 28-year-old salesman Richard Carleton Meeker, and within six weeks she was pregnant with her only child, Richard Jr. (born July 3, 1956). Meeker and Moore divorced in 1962. Later that year, Moore married Grant Tinker, a CBS executive and later chairman of NBC, and in 1970 they formed the television production company MTM Enterprises, which created and produced the company's first television series, "The Mary Tyler Moore Show". Moore and Tinker announced their separation in 1979 and divorced two years later. In the early 1980s, Moore dated Steve Martin and Warren Beatty.