Oscar Joseph Slater (8 January 1872 – 31 January 1948) was the victim of a notorious miscarriage of justice in Scotland. Wrongly convicted of murder and sentenced to death, he was freed after almost two decades of hard labour at Scotland’s HM Prison Peterhead through the efforts of multiple journalists, lawyers, and writers, including Sherlock Holmes author Sir Arthur Conan Doyle. Early life. He was born Oskar Josef Leschziner in Oppeln, Upper Silesia, Germany, to a Jewish family.
https://en.wikipedia.org/wiki/Oscar_Slater