Whose is the Proof The play Proof by David Auburn 2001 and the movie Proof directed by John Madden 2005 portray this work of art in two different ways Both the play and the movie are set in Chicago and tell the story of a young woman named Catherine In both versions Catherine is hurting and having flashbacks of when her father was alive Throughout the film version of Proof what happens to Catherine is very similar to what happens to her in Auburns play However the movie is different from the pl