By Anonymous (not verified) , 7 August 2025 Bernardus Morlanensis OSB [12th cent.], monk of Cluny Source MLGB3
By Anonymous (not verified) , 7 August 2025 Algorismus in minutiis, inc. `Quoniam cuiuslibet quantitatis notita' Source MLGB3
By Anonymous (not verified) , 7 August 2025 Bernardus Compostellanus antiquus [fl. 1200] Source MLGB3
By Anonymous (not verified) , 7 August 2025 Alhazen (Abu `Ali al-Hasan ibn al-Hasan ibn al-Haytham) [965–1038] Source MLGB3