Felix Klein's Foreign Students

Danuta Ciesielska is a historian of mathematics and science at the L. & A. Birkenmajer Institute for the History of Science of the Polish Academy of Sciences. She has published over 60 articles and five books, focusing on the history of mathematics, mathematical education, and women in science. Henning Heller is a postdoctoral researcher in Mathematics Education at the University of Bonn. He focuses on integrating the history, philosophy, and education of mathematics, with a particular interest in Felix Klein.  Renate Tobies is a historian of mathematics and science at Friedrich Schiller University in Jena. She has published over ten books and hundreds of articles, focusing on the history of mathematics and its applications, as well as women in science and technology.  Joanna Zwierzynska is a PhD candidate at the L. & A. Birkenmajer Institute for the History of Science, Polish Academy of Sciences. Her research focuses on the history of mathematics, particularly Polish mathematics, and she has co-authored and edited several notable works in the field.