Johann Gottlieb Friedrich von Bohnenberger
Johann Gottlieb Friedrich von Bohnenberger (5 June 1765 – 19 April 1831) was a German astronomer born at Simmozheim, Württemberg. He studied at the University of Tübingen. In 1798, he was appointed  professor of mathematics and astronomy at the University. He published:  

Anleitung zur geographischen Ortsbestimmung (Guide to geographic locations), 1795
Astronomie (Astronomy), 1811
Anfangsgründe der höhern Analysis (Initial reasons of higher analysis), 1812. In 1817, he systematically explained the design and use of a gyroscope apparatus which he called simply a “Machine.” Several examples of the 'Machine' were constructed by Johann Wilhelm Gottlob Buzengeiger of Tübingen.