Professor of International Health, Karolinska Institutet, Stockholm, Sweden. Discoverd konzo, a new epidemic paralytic disease, when serving as doctor in Mocambique 1979-81. Two decades of research in rural Africa traced the cause to toxic ill-processed cassava roots, hunger and poverty. Co-founded Médecines sans Frontier Sweden. Started courses and wrote textbook on Global Health. Initiated university collaborations with Asia and Africa. Co-founded Gapminder that unveils the beauty of statistics by turning boring numbers into enjoyable animations that make sense of the world.