Background
RIEGNER., Berlin was born on September 12, 1911 in Berlin.
RIEGNER., Berlin was born on September 12, 1911 in Berlin.
University of Berlin, Freiburg, Heidelberg, Paris, Graduate Institute of Institute Studies, Geneva.
Director Geneva Office 1939-1948. Executive 1948-1960, Director of Coordination 1960-1965, Secretary-General 1965-1983, Company-Chairman Governing Board since 1983. Institute Chairman World University Service 1949-1955.
President Conference of non-Government Organizations at United Nations 1953-1955, Conference of non-Government Organizations in Consultative Status with United Nations Educational, Scientific and Cultural Organization 1956-1958.
World.