Complex sentence: Boutros-Ghali graduated from Cairo University in 1946, Ph.D. in international law from the University of Paris, and a diploma in international relations from the Sciences Po in 1949.
Split into simpler sentences: Boutros-Ghali graduated from Cairo University in 1946. He received a Ph.D. in international law from the University of Paris and a diploma in international relations from the Sciences Po in 1949.