Abu Ja'far Ahmad b. Abi Khalid Ibn al-Jazzar, born in Qayrawan, the medieval capital of Tunisia, hailed from a family of physicians. ' His father IbrThim was a doctor, as was his paternal uncle Abu Bakr. He studied with the famous Jewish philosopher and physician Ishaq b. Sulayman al-Isra'ili (c. 243/855-343/955),2 who had been a student of Ishaq ibn 'Imran (d. 296/908),3 and who at the age of ...

Food waste is a global challenge. Detailed information on quantities and drivers needed to provide tailored recommendations for prevention measures. Current studies meat in the Hospitality Service business (HaFS) sector are rare, often based small sample sizes, seldom use comparable reference units. The present study reports product German HaFS structured telephone interviews. Purchased fresh q...