Hans Rosling

Hans Rosling was a physician, professor of global health at the Karolinska Institute, and a renowned public educator. He worked as a consultant for the World Health Organization, UNICEF, and several international aid organizations, and was a co-founder of Doctors Without Borders in Sweden and the Gapminder Foundation. His ten TED talks have been viewed more than 35 million times, and Time magazine included him among the 100 most influential people in the world for 2012.