Complex sentence: Mehmet Arif Onat Kutlar (Alanya, 1936-Istanbul, 1995), also known as Onat Kutlar, was a prominent Turkish writer and poet, founder of Turkish Sinematek and one of the founders of the Istanbul International Film Festival.
Split into simpler sentences: Mehmet Arif Onat Kutlar (Alanya, 1936-Istanbul, 1995), aka Onat Kutlar. Prominent Turkish writer and poet, founder of Turkish Sinematek and one of the founders of the Istanbul International Film Festival.