From left: a page from a 13th-century Arabic translation of Euclid's Elements by Nasir al-Din al-Tusi (London: the British Library); a page from an Arabic translation of Dioscorides' Materia medica in a 13th-century copy by Abdullah ibn al-Fadl from Iraq showing a doctor and a patient (Washington: Sackler Gallery)

parent page (2 - 9 November 2005, issue #767)