Biography References 1919Work in Haifa EditOfficial Gazette, 15.11.1920, issue 31, p. 9 Authorizations References 1919License: Doctor, Authorized by British Mandate Palestine Government, no. 9 EditOfficial Gazette, 15.11.1920, issue 31, p. 9 Identity Hasan Tahsinحسن تحسينProfession: Doctor Source More info Bibliographic references: Official Gazette, 15.11.1920, issue 31, p. 9