Women’s Writing in the British Isles from the Beginnings to the Present
Johann Helvelius
Standard Name: Helvelius, Johann
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2 July 1665: Astronomer Johann Helvelius first recorded...
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2 July 1665
Astronomer Johann Helvelius
first recorded observations of the stars made at home in Danzig (now Gdansk) in Poland by his wife Elizabeth Helvelius
, his assistant and later his collaborator.
Cook, Alan. “Johann and Elizabeth Helvelius, astronomers of Danzig”. Endeavour, Vol.