In August 2016 the world will be spellbound by the Olympic Games in Rio de Janeiro as 10,500 athletes from 206 countries compete in 306 events. Tracing their origins back to the Greeks in 776 BC, the history of the Olympics is a glorious one but it has had its darker moments. During the First World War no fewer than 135 Olympians perished. Many had won Gold, Silver and Bronze medals. They came not just from the UK, Germany, France, USA but...