 Complete the following phrase:  Gaydarov came to Turkey where he was known as İbrahim Haydar upon the special invitation of Mustafa Kemal Atatürk in 1925 and he helped the Ankara-Kayseri railway construction. He, then, worked in various sections of the Sivas railway. He proved himself at the construction of railways in Turkey itself not only as a skilled professional, at the same time as a scientist. He predicted shift in the wind of Turkey with the rise of racism and in order to promote the Caucasus, he translated books from Russian into Turkish in 1937, released in Istanbul. In the winter of 1939, he went to Ankara as a result of the loss of his young colleagues in 