One of the founders of the Ottoman organization of the Red Crescent was born in Crimea, Qirimli Aziz Idris Bey. He is also known for his works “Medical Chemistry” (Kimya-i Tıbbi) and “The Science of General Diseases” (İlm-i Emraz — i Umumiye), which for a long time were used as manuals at medical schools of the Ottoman Empire