Dr. Zygmunt L. Ostrowski, pediatrician, graduate in Warsaw in African sciences, former advisor to the World Health Organization, is president of ADE, a humanitarian NGO based in Paris. Dr Marie-Christine Josse is nutritionist and scientific director of the ADE. While conducting scientific studies in Southern Sudan, they found themselves immersed in the heart of the Sudanese civil war. They had published several scientific and geopolitical books on Sudan.
For one of these works they had shared the Henri Duveyrier Prize (1840-1892) of the French Geographical Society, in 2007.