Born

(Ignaz von) baron, b. Carlsruhe, 26 Dec. 1742. Bred by the Jesuits, he became an ardent scientist and a favorite of the Empre Marie The res a, under whose patronage he published works on Mineralogy. He was active as a Freemason, and Illuminati, and published with the name Joannes Physio phil us a stinging illustrated satire entitled Mon cha logia , or the natural history of monks.