Biography References 1917Study at Qasr al-ʿAyni in Cairo EditListe Officielles des Médécins Egyptiens, 1922, p. 80 1922Work at Domain Administration, Sakha in Sakha EditListe Officielles des Médécins Egyptiens, 1922, p. 80 Authorizations References 1917License: Veterinarian, Authorized by Ministry of Interior, Egypt EditListe Officielles des Médécins Egyptiens, 1922, p. 80 Identity Sayyid Mahmud ʿUthmanسيد محمود عثمانAlternatively named: Sayed Mahmoud OsmanProfession: Veterinarian Source More info Bibliographic references: Liste Officielles des Médécins Egyptiens, 1922, p. 80