Conversation so far:
How would you describe Santiniketan?
Tagore moved to Santiniketan to found an ashram with a marble-floored prayer hall--The Mandir--an experimental school, groves of trees, gardens, a library.
When did he move there?
In 1901.

Question: Was he successful in founding the ashram?
Self-contained rewrite: Was Rabindranath Tagore successful in founding the ashram with a marble-floored prayer hall--The Mandir?