About Isaac Habrecht II
Lived 1589 – 1633 (aged 43–44). Isaac Habrecht II was an astronomer, physician, mathematician and calendar maker.
Isaac Habrecht II (1589–1633) was a professor of astronomy and mathematics in Strasbourg. He was also a doctor of medicine and philosophy.
Uranography Isaac Habrecht II made a celestial globe and a couple of celestial planispheres. He included constellations that were created by Dutch cartographer, Plancius, and he invented the now obsolete constellation Rhombus. Rhombus was included in several later charts, including those of Royer. Lacaille's southern star chart of 1756 reconfigured the constellation into le Reticule Romboide (now Reticulum).
Family Isaac Habrecht I: his father, a horologist. Isaac Habrecht III: his nephew, a clockmaker.
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Important facts
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Contemporaries
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Frequently asked questions
Who was Isaac Habrecht II?
astronomer (1589-1633)
When was Isaac Habrecht II born?
Isaac Habrecht II was born in 1589 in Strasbourg.
When did Isaac Habrecht II die?
Isaac Habrecht II died in 1633 in Strasbourg.
What was Isaac Habrecht II's occupation?
Isaac Habrecht II was an astronomer, physician, mathematician and calendar maker.
Sources & further reading
· Wikipedia: Isaac Habrecht II
Cite this page
APA: Biography.guide. (2026). Isaac Habrecht II. https://biography.guide/isaac-habrecht-ii/
MLA: "Isaac Habrecht II." Biography.guide, https://biography.guide/isaac-habrecht-ii/.
Chicago: "Isaac Habrecht II." Biography.guide. https://biography.guide/isaac-habrecht-ii/.
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