Complex sentence: After training at London's Central School, and on stage from the late 1920s, her theatre work included starring in the original West End and Broadway productions of Thornton Wilder's "The Matchmaker" in 1954-1957.
Split into simpler sentences: After training at London's Central School, she was on stage from the late 1920s. Her theatre work included starring in the original West End and Broadway productions of Thornton Wilder's "The Matchmaker" in 1954-1957.