For 10 points, name this author of Amadeus and Equus.
In a humorous medieval play by this man, the mad poet Mark Askelon decides to play a game of "hound the humanist" against Sir Gideo Petrie. In another work by this playwright of The Battle of Shrivings, Helen contemplates getting revenge for the death of her husband Edward Damson after Lord Longford kills him. In another play, the protagonist makes an agreement not to massacre a bunch of men if a king can kill fill two rooms completely with gold treasures. This author of The Gift of the Gorgon also included the historical characters of Franz Rosini-Rosenberg and Baron Gottfried van Swetten in a court setting of a play that describes the title character's love for  Constanze Weber's and his eventual poisoning. This author of The Royal Hunt of the Sun also wrote a work whose protagonist wishes to ride naked on Nugget. That play by this author focuses on Martin Dysart's attempts to treat Alan Strang. For 10 points, name this author of Amadeus and Equus.
In a humorous medieval play by this man, the mad poet Mark Askelon decides to play a game of "hound the humanist" against Sir Gideo Petrie.
Peter Shaffer