Daily Medieval

When Peter Abelard met Heloise d'Argenteuil in 1115, he was a famous teacher approaching 40 years of age whose lectures drew hundreds ...

Despite the potentially reputation-damaging error in calculation made by al-Farghani in the case of a canal, he is better known for other a...

The Rasulids were a Sunni Muslim dynasty that ruled what is now Yemen and the Red Sea Coast of the Arabia peninsula from the early 13th cent...

In researching the previous post, I came across a reference to Pope Sylvester II (formerly Gerbert d'Aurillac, c.946 - 1003) inventing t...

The "wooden terrestrial spheres" mentioned here are what we now call "armillary spheres." An armillary is a spherical a...

MS. Marsh 144, fol. 135v, Bodleian The contributions of the Muslim world to astronomy are many, and I have only briefly touched on some ...

Hermann, with crutch & Salve Regina Hermann of Reichenau (1013-1054) was born to Count Wolverad II and his wife Hiltrud in Upper Swa...