Abraham Wolf Rosenberg (* 1943) was born in Amsterdam to Jewish parents. His father taught Jewish religion and served as a cantor in a synagogue. At the age of two months, Abraham and his older brother were handed over to members of the resistance so that a safe hiding place could be found for them. Through hiding places in Hilversum, Hoorn, and Amsterdam, the brothers eventually arrived in Baarlo in Limburg. There they were separated and taken in by different foster families. Abraham was given a new name – from then on he was called Paul Gielen. After the liberation, Paul remained with his foster family. It was only in primary school that he learned who he really was. His biological parents were murdered in the gas chambers of Sobibor. As an adult, Paul decided to live as a Jew and to reclaim his original name – he was once again called Abraham Wolf Rosenberg. Like his father, he worked as a cantor. In addition, he served as a librarian at Ets Haim, the oldest Jewish library in the world still in use. As a guest speaker, Abraham regularly talks to school classes about his life.