Peter Shaffer screenplay for "Equus", he was nominated for the 1977 Best Adapted Screenplay Oscar but the award went to Alvin Sargent, who wrote the screenplay for "Julia". For writing the screenplay for "Amadeus", Shaffer received both the 1984 Best Screenplay Golden Globe and the 1984 Best Adapted Screenplay Oscar. Shaffer was homosexual but did not write explicitly about it. His boyfriend Robert Leonard died in 1990. Shaffer died on June 6, 2016, at the age of ninety while on a trip to the south-west of Ireland. He co-wrote three detective novels with his brother Anthony Shaffer under the pseudonym "Peter Antony".
Equus (play) Dysart to understand the cause of the boy's actions while wrestling with his own sense of purpose. The original stage production ran at the National Theatre in London between 1973 and 1975, directed by John Dexter. Alec McCowen played Dysart, and Peter Firth played Alan Strang. Later came the Broadway productions that starred Anthony Hopkins as Dysart (later played by Richard Burton, Leonard Nimoy, and Anthony Perkins) and from the London production, Peter Firth as Alan. When Firth left for Broadway, Dai Bradley took over the role of Alan in the London production, playing opposite Michael Jayston as Dr. Dysart.