Complex sentence: Aurand Harris (1916-1996) was an American playwright who wrote 36 plays for children, estimated at the time of his death in 1996 to have been performed on over 30,000 occasions.
Split into simpler sentences: Aurand Harris (1916-1996) was a playwright for children. He wrote 36 plays for children, which were estimated at the time of his death in 1996 to have been performed on over 30,000 occasions.