Hans Rosling was a renowned Swedish physician, academic, and public speaker, born on July 27, 1948. He is widely recognized for his significant contributions to the fields of international health and data visualization.

As a professor of international health at Karolinska Institute, Rosling co-founded the Gapminder Foundation and served as its chairman. The foundation is noted for developing the Trendalyzer software, which is instrumental in visualizing data trends. His work primarily focused on using data to analyze and address global development issues.

Rosling's presentations and TED Talks have been influential worldwide, promoting a fact-based worldview and the importance of data in understanding global trends. His book, Factfulness, coauthored with his family, became an international bestseller.

Hans Rosling passed away on February 7, 2017, leaving behind a legacy of knowledge and inspiration.