Abū Ya'qūb Ishāq Ibn Sulaymān al-Isrā'īlī
أبو يعقوب إسحاق بن سليمان الاسرائيلي
Isaac, Isaac Judaeus, Isaac Israeli
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Jewish physician, astronomer and philosopher. Born in Egypt ca. 850, he lived and worked in Kairouan, where he died ca 955. He was regarded as the father of medieval Jewish Neoplatonism.