Open this photo in gallery: Sonja Sinclair receives the Bletchley Park Commemorative Badge in 2017 at a ceremony in Toronto.Courtesy of family During the Second World War, Sonja Morawetz (later known by her married name, Sinclair), was part of a secret code-breaking group, connected to Bletchley Park in England, which operated out of a mansion in Ottawa’s Sandy Hill district, next door to the prime minister’s residence. Known as the Examination Unit, it was so secret that she never told her husband, even though he was a military man, and he died in 2006 without learning what his wife did...