"Biographer Lisa Stein Haven will present the highlights of Syd’s raucous life and career, including some new post-publication information, just uncovered last year, that sheds new light on the atmosphere surrounding the filming of Charlie’s The Great Dictator (1940)."
http://www.cinemamuseum.org.uk/2015/syd-the-other-chaplin/
http://www.cinemamuseum.org.uk/2015/syd-the-other-chaplin/