page_title: Johann Gabriel Doppelmayr
hierarchical_section_title: Johann Gabriel Doppelmayr
context_page_description: Johann Gabriel Doppelmayr was a German mathematician, astronomer, and cartographer.
context_section_description: Johann Gabriel Doppelmayr (27 September 1677 – 1 December 1750) was a German mathematician, astronomer, and cartographer. (His surname is also spelled Doppelmayer and Doppelmair.)
caption: Johann Gabriel Doppelmayr.
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