Walter Sickert was German-born but lived his life in Britain, creating realist/impressionist paintings. Influenced by the likes of Degas, he was obsessed with what was considered low culture; the bars, shops, and musical theatre of London. Maybe it was the sombreness of some of his work that led some time to believe Sickert was, in fact, Jack the Ripper. Whatever the truth of Sickert, there is…