Biography References 1920Study Public Health (Specialized diploma) – Diploma in Tropical Medicine and Hygiene EditListe Officielles des Médécins Egyptiens, 1922, p. 20 1922Work at Department of Public Health, Cairo in Cairo EditListe Officielles des Médécins Egyptiens, 1922, p. 20 Authorizations References License: Surgeon, Member, Authorized by Royal College of Surgeons of England EditListe Officielles des Médécins Egyptiens, 1922, p. 20 1918License: Doctor, Licentiate, Authorized by Royal College of Physicians EditListe Officielles des Médécins Egyptiens, 1922, p. 20 1922License: Doctor, Authorized by Ministry of Interior, Egypt EditListe Officielles des Médécins Egyptiens, 1922, p. 20 Identity Saʿd al-Din Ahmad al-Dʿabسعد الدين احمد الضعبAlternatively named: Saad el Din Ahmed El DaabProfession: Doctor Source More info Bibliographic references: Liste Officielles des Médécins Egyptiens, 1922, p. 20