Tamas Vekerdy, one of the most well-known Hungarian psychologists, called Credo an 'essential insight not just into Feldmar's life but into the world and the era that we currently live in.' Feldmar was three and a half years old when the Arrow Cross came and took his mother to Auschwitz, his father to labour service, and his grandmother to the ghetto. A young Catholic woman hid him for a year and a half - perhaps she inspired Feldmar to become the kind stranger in many other people's lives years later. Feldmar was sixteen in 1956 when the revolution was crushed, and he escaped from...