Biography References 1922Work in Cairo (Haret El Wekala, Sharia El Sekka el Guédida) EditListe Officielles des Médécins Egyptiens, 1922, p. 95 Authorizations References 1921Certificate: Dentist practitioner, Authorized by Ministry of Interior, Egypt EditListe Officielles des Médécins Egyptiens, 1922, p. 95 Identity Mahmud Hasanمحمود حسنAlternatively named: Mahmoud HassanProfession: Dentist practitioner Source More info Bibliographic references: Liste Officielles des Médécins Egyptiens, 1922, p. 95