I.H.Ph. Diederiks-Verschoor (1915), 90th Anniversary

Isabella Henrietta Philepina Verschoor was born at Amersfoort (the Netherlands) in 1915. She studied law at Leyden University and practised law in Amsterdam for a period of six years.

• 1943 she took her degree as a Doctor of Law at the University of Utrecht.
• 1953 she was appointed to lecture at Utrecht University.
  She was President of the International Institute of Space Law of the International Astronautical Federation; Member of the Legal Committee in the Netherlands of the International Civil Aviation Organization; National Chairman in the Netherlands of the Peace through Law Center; Member of the Board of Editors of Air Law; Supervisory Member of the Netherlands Institute of Transport. Mrs. Diederiks-Verschoor has been lecturing on air and space law in the course of several tours abroad:
  -1964, at the University of Paris (Institut des Hautes Etudes Internationales);
  -1965, in Australia, at the Universities of Sydney, Canberra and Melbourne;
  -1968, in the United States, at the Southern Methodist University in Dallas, and at the Mississippi University;
  -1968 and again in 1975, in Canada, at the Institute of Air and Space Law;
  -1976 and 1980 in Indonesia;
  -1979, in Greece, at the Institute of Public International Law and International Relations of Thessaloniki.