From 1940, Leon Weintraub (born 1926) was forced by the Nazis to live with his family in the Litzmannstadt ghetto and perform forced labour. The skills he learnt there probably saved him from death: when the ghetto was dissolved in 1944, the prisoners were deported to the Auschwitz-Birkenau concentration camp and killed. Weintraub, however, managed to pass himself off as a labour prisoner and thus...