Complex sentence: Strasser sharpened her acting abilities in theatre, acting on Broadway, where she appeared in "The Shadow Box" and "Chapter Two", the latter where she met her former husband, Laurence Luckinbill; they were married from 1965 and divorced in 1976.
Split into simpler sentences: Strasser sharpened her acting abilities in theatre, acting on Broadway, where she appeared in "Chapter Two" and "The Shadow Box". She met Laurence Luckinbill while appearing in "Chapter Two"; they were married from 1965 and divorced in 1976.