what are some of his works adapted on screen?
Equus (1977), Amadeus (1984)
Peter Shaffer
Several of Shaffer's plays have been adapted to film, including "Five Finger Exercise" (1962), "The Royal Hunt of the Sun" (1969), "The Public Eye" (1962), from which he adapted the 1972 film "Follow Me!" (1972), "Equus" (1977), and "Amadeus" (1984), which won eight Academy Awards including Best Picture.

Shaffer received two Academy Award nominations for adapting his plays "Equus" and "Amadeus" for the big screen. For writing the 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.
who plays king george in once upon a time Alan Dale who is this person? A New Zealand-born actor. where did he study? UNANSWERABLE how did he begin his acting career? By playing an Indian in a production of "The Royal Hunt of the Sun" at the Grafton Theatre in Auckland. what is this aforesaid production? A 1964 play by Peter Shaffer that dramatizes the relation of two worlds entering in a conflict by portraying two characters: Atahuallpa Inca and Francisco Pizarro. where is this former person from? England how did start his early career? His first play 'The Salt Land' (1955) was presented on ITV on 8 November 1955. did he win any award? Yes - William Inge Award for Distinguished Achievement in the American Theatre; his play "Five Finger Exercise" won the Evening Standard Drama Award
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Peter Shaffer [SEP] Screen adaptations
Several of Shaffer's plays have been adapted to film, including "Five Finger Exercise" (1962), "The Royal Hunt of the Sun" (1969), "The Public Eye" (1962), from which he adapted the 1972 film "Follow Me!" (1972), "Equus" (1977), and "Amadeus" (1984), which won eight Academy Awards including Best Picture. Shaffer received two Academy Award nominations for adapting his plays "Equus" and "Amadeus" for the big screen. For writing the 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.