 During his first year he worked as Director of Polish Ukrainian Camps in Germany, where he helped to resettle refugees from all over Europe.In June 1946 his focus turned towards helping Jewish survivors of the Holocaust when he became Director of Bergen-Belsen, (Hohne) – the first Jew in this position.It was considered that his appointment would help foster better relations between UNRRA and the 11,000 Jewish refugees in the camp.