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This diploma of Doctor of Medicine was awarded to Jacob Mahler by the University of Padua, Italy. Mahler, born in Bingen-on-Rhine, Germany, studied medicine and philosophy, and in 1695 was awarded a…
This foldout calendar is a beautifully illuminated feature that appears in a sefer ‘evronot. Works of this genre were Jewish calendar handbooks for calculating the dates of religious holidays and…
This illustration of the (Aristotelian) cosmos appears in an eighteenth-century manuscript of Neḥmad ve-na‘im (Nice and Pleasant), David Ganz’s posthumously published book on astronomy.
Sifre ‘evronot—manuals for calculating the Jewish calendar, including leap years and holidays—were a popular genre of Ashkenazic illustrated manuscripts in the seventeenth and eighteenth centuries…
Kabbalist Elijah Menaḥem ben Abba Mari Ḥalfan constructed this diagram, now stained and torn, with the assistance of his tutor Abraham Sarfati. It depicts the sefirotic system and includes Ḥalfan’s…
This illustration of an armillary sphere is from a treatise on astronomy, Sefer mareh ha-ofanim (The Appearance of the Heavenly Beings), by Solomon ben Abraham Avigdor. The treatise was mostly a…
In the back of a manuscript collection of astronomical texts, which includes one of Abraham Ibn Ezra’s works on the use of the astrolabe (a tool for astronomical calculations), is a set of crude but…
Ḥay ibn Yaqẓān, composed by the Muslim philosopher Abū Bakr ibn Tufayl al-Qaysi (1110–1185), relates the story of Ḥay ibn Yaqẓān, literally “Alive, son of Awake,” as he grows up alone on a deserted…
