Cornelius Gemma
Dutch astronomer and astrologer · Scientists · Lived 1535 to 1578 · aged 43
Cornelius Gemma was a Flemish physician, astronomer and astrologer, and the oldest son of cartographer and instrument-maker Gemma Frisius.
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A typical day, 30 days to 22 June 2026
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About this person
He was a professor of medicine at the Catholic University of Leuven, and shared in his father's efforts to restore ancient Ptolemaic practice to astrology, drawing on the Tetrabiblos.
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1535 to 1578 · aged 43