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".
Alan Schneider New York City, and the theatre lobby featured his obituary in its last week of performances. Following his death, the Alan Schneider Memorial Fund was established by TCG, The Acting Company, and the Stage Directors and Choreographers Society. Proceeds from the Fund go to the Alan Schneider Director Award, which provides national visibility to the recipient as well as a grant to support activities specifically tied to the development of the craft of directing. Recipients of the Alan Schneider Director Award include: Mark Brokaw, Peter C. Brosius, Bart DeLorenzo, Kyle Donnelly, Michael John Garcés, Henry Godinez, Anne Kauffman, Nancy Keystone,