Ibn Yunus (d. 1009)
Ibn Yunus was an astronomer and a mathematician; and came to fame in 1804 when a Leiden manuscript of his was first studied. Ibn Yunus' main work was al-Zij al-Hakimi (Zij meaning an astronomical handbook) which begins with a list of observations made by him and others.
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by: FSTC Limited, Mon 16 July, 2007