Complex sentence: There he was a keen member of the Tagore Society, a factor which must have drawn him to Bengal when a few years after graduation he went out to India to teach English at Visva-Bharati University Santiniketan.
Split into simpler sentences: There he was a keen member of the Tagore Society, a factor which must have drawn him to Bengal. A few years after graduation he went out to India to teach English at Visva-Bharati University Santiniketan.