Conversation so far:
What was Rabindranath Tagore doing in 1901?
In 1901 Tagore moved to Santiniketan to found an ashram with a marble-floored prayer hall.
What did he do there?
an experimental school, groves of trees, gardens, a library.
What did he do after being there?
He gained Bengali and foreign readers alike; he published Naivedya (1901) and Kheya (1906) and translated poems into free verse.
Did he write books?
he published Naivedya (1901) and Kheya (1906) and translated poems into free verse.
Were the books popular?
In November 1913, Tagore learned he had won that year's Nobel Prize in Literature.
What else was he doing in this time perood?
He was awarded a knighthood by King George V in the 1915 Birthday Honours, but renounced it after the 1919 Jallianwala Bagh massacre.

Question: What was he doing in the 1920s?
Self-contained rewrite: What was Rabindranath Tagore doing in the 1920s