Complex sentence: Irene Shubik began her career working on educational films for Encyclopædia Britannica Inc in Chicago before returning home to London where she joined ABC Television as a story editor on the anthology series "Armchair Theatre" under producer Sydney Newman in 1960.
Split into simpler sentences: Irene Shubik began her career working on educational films for Encyclopædia Britannica Inc in Chicago. Returning to London, she joined ABC Television as a story editor on the anthology series "Armchair Theatre", under producer Sydney Newman in 1960.