Ian McEwan writes about his television plays
Ian McEwan, 5 February 1981
“... of the diary. The scenes of the mathematicians’ conference in Vienna were to be shot through glass, a film technique adapted for tape. After a week’s rehearsal in March 1979 I began to think that this was, potentially at least, a far better play than a short story. It had a resonance and life that had not been present previously. The relationships ... ”