Isaac Habrecht II

Isaac Habrecht II (1589–1633) was a professor of astronomy and mathematics in Strasbourg. He was also a doctor of medicine and philosophy.

Isaac Habrecht II made a celestial globe and a couple of celestial planispheres. He introduced some constellations that were created by a Dutch cartographer, Plancius, and he invented now the obsolete constellation Rhombus. It followed by a French cartographer Royer. Later, it was turned into le Reticule Romboide (now Reticulum) by a French astronomer, de Lacaille.

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