For 10 points,name this playwright of Betrayal and The Dumb Waiter.
In a play by this author, a man remembers tossing another character's child in the air at a party, but doesn't rememberthat it happened in his kitchen. The unseen author Casey is frequently mentioned by that play's male leads, who run apublishing company and play squash. A play by this author opens with a character reading news stories about an oldman being run over by a bus and an eight-year-old killing a cat. One of his plays details Jerry and Emma's affair inreverse chronological order. This author wrote a play in which an argument over the phrase "light the kettle" takes placein a basement equipped with a speaking tube where the hit men Gus and Ben wait for their assignment. For 10 points,name this playwright of Betrayal and The Dumb Waiter. 
In a play by this author, a man remembers tossing another character's child in the air at a party, but doesn't rememberthat it happened in his kitchen.
Harold Pinter