Philosophy of Mathematics in Antiquity and in Modern Times

Ulrich Felgner is a retired professor of mathematics at the University of Tübingen. He studied at the Universities of Giessen, Besancon and Frankfurt/M, received his doctorate in 1968 in Tübingen and habilitated in Heidelberg in 1973. He worked as a Professor at the Universities of Heidelberg, Freiburg and Tübingen. His main areas of research are Algebra, Mathematical Logic, Set Theory, as well as Foundations, History and Philosophy of Mathematics.

烏爾里希·費爾格納（Ulrich Felgner）是圖賓根大學的退休數學教授。他曾在吉森大學、貝桑松大學和法蘭克福大學學習，於1968年在圖賓根獲得博士學位，並於1973年在海德堡取得資格認證。他曾在海德堡大學、弗賴堡大學和圖賓根大學擔任教授。他的主要研究領域包括代數、數學邏輯、集合論，以及數學的基礎、歷史和哲學。