Claim: Friedrich Kambartel studied mathematics, physics, chemistry and philosophy at the University of Munster, and was appointed Professor of Philosophy at the University of Constance.
Evidence: Kambartel studied mathematics, physics, chemistry and philosophy at the University of Münster, where he received his PhD (in mathematics) and his "habilitation", the postdoctoral lecture qualification (in philosophy). In 1966 he was appointed Professor of Philosophy at the University of Constance, where he took active part in the reformation of the university ("Little Harvard on Lake Constance").