There a programme in the Sunday Feature slot on BBC Radio 3 tonight (21.30 GMT), called Chaplin, Celebrity and Modernism. Thirty years after Chaplin’s death, Mark Kermode investigates the great comedian’s celebrity role and influence on world culture from the modernists and Dadaists to the Russian avant-garde and imitators in Bombay. The 45-minute programme makes use of privileged access to Chaplin’s private archive to reveal remarkable letters from Truman Capote, Winston Churchill and James Agee. As usual with BBC radio programmes, it can be listened to worldwide online, and will remain available for a week thereafter through the Listen Again service.