Jan Bondeson is a Swedish-British rheumatologist, scientist and author, working as a senior lecturer and consultant rheumatologist at the Cardiff University School of Medicine. He has also written non-fiction on topics such as medical anomalies and unsolved murders. In 2003 he told an interviewer, "I've always had a profound interest in history, especially the history of medicine, and a bit of a fancy for the macabre and odd." Bondeson is the biographer of a predecessor of Jack the Ripper, the…