Complex sentence: The character debuted April 30,1973 with leading series antagonist Dr. Dorian Cramer, last appeared onscreen August 2,2004, and died off-screen February 28,2010.
Split into simpler sentences: The character debuted on April 30,1973 with leading series antagonist Dr. Dorian Cramer. She last appeared onscreen on August 2,2004, and died off-screen February 28,2010.