Jonathan Davidson Durham, North Carolina, United States   Ignaz PV Troxler, 1830. Via Wikimedia. Ignaz Paul Vital Troxler (1780–1866) was an influential figure in Swiss medicine, philosophy, education, and politics, yet is scarcely mentioned in the English-speaking world. Even in Switzerland, this controversial and outspoken individual remains neglected.   Brief Biographical Sketch and Events in…