Who was the first president of Turkey who issued presidential decree to transform the Hagia Sophia Mosque into a Muesum?

A. Abdulhalik Renda
B. Adbullah Gul
C. Mustafa Kemal Atatürk
D. Recep Tayyip Erdogan

In 1935, the first Turkish President and founder of the Republic of Turkey, Mustafa Kemal Atatürk, transformed the building into a museum.