sentences:  While carrying out his rescue work, Davis kept up with his diplomatic work and periodically met with Harput governor Sabit Bey, who was one of the perpetrators of the Armenian Genocide.His reports were dramatised in a BBC Radio 4 play, 'The Light of Darkness', broadcast on 4 September 2011.It was written by Louis Nowra, a playwright who has researched Davis's life and work and the history of Harput.