Tag: Ridhwan-al-saati

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Ridhwan al-Sa’ati: A Biographical Outline

by Moustafa Mawaldi Published on: 29th June 2008

Fakhr al-Dīn Ridhwān ibn Rustam al-Sā'ātī (d. between 618-626 H/1220-1229 CE) was a scholar and mechanical engineer, author of the book ‘Ilm al-sā'āt wa 'l-'amal bihā in which he described the famous public clock set…