Answer: Debendranath Tagore
Explanation: Shantiniketan was founded and developed by members of the Tagore family. It was founded by Debendranath Tagore. Rabindranath Tagore wrote many of his literary classics at Santiniketan. His son, Rathindranath Tagore was one of the first five students at the Brahmacharya asrama at Santiniketan.