Complex sentence: At the time, philosophical thought was dominated by neo-Kantianism out of Germany, and that movement's main challenger, the Phenomenology of Edmund Husserl, where an affinity for mathematics linked somewhat, some of Husserl's and Vollenhoven's ideas.
Split into simpler sentences: At the time, philosophical thought was dominated by German neo-Kantianism, and that movement's main challenger, the Phenomenology of Edmund Husserl. An affinity for mathematics linked somewhat, some of Husserl's and Vollenhoven's ideas.