Schweizer Arzt (1658-?)
Schaffhausen, Bezirk Schaffhausen
Old Swiss Confederacy, Switzerland
physician
Old Swiss Confederacy
Johann Jakob Harder (* 4. April 1658 in Schaffhausen; † 1. January 1714) was a schweizer Arzt (1658-?). He was 55 years old. He studied at University of Basel.