Career
He was a distant ancestor of the 19th century French ophthalmologist Louis de Wecker. He worked as a doctor from 1566 and wrote a number of works about medicine, some of which were in both French and Latin. Doubtless fleeing accusations of sorcery, Wecker moved to Basel after having published Les Secrets de Wecker.
Foreign a number of years, he worked as a professor of logic at the local university.
He also reported the first known case of diphallia. opt. authorum … scriptis fideliter congestum et amplius triente actum. Johannes Jacob Wecker was buried in Vienna.
