Peter Shaffer, the Oscar-winning writer who penned works likeAmadeusandEquusdied Monday in Ireland, according to his agent.
Shaffer earned an Oscar nod as well for best adapted screenplay.
Daniel Radcliffe starred in the 2007 West End revival, which later transferred to Broadway.
Credit: AP
In all,Amadeusearned 11 Academy Award nominations and won eight, including best adapted screenplay for Shaffer.
Survivors include his brother Brian, his nephews Milo and Mark, and his nieces Cressida and Claudia.
Shaffers identical twin brother, Anthony Shaffer, was also a playwright and screenwriter who wroteSleuthandThe Wicker Man.
Anthony died in 2001 at age 75.
