The circles which Rabindranath Tagore moved in gave rise to various international friendships and influential exchanges with philosophers, writers, activists, politicians, scientists and more. Click on the images below to read the articles…. Rainer Maria Rilke and Rabindranath Tagore by Martin KaempchenRabindranath Tagore and Hermann Keyserling: A Difficult Friendship by Martin KaempchenStefan Zweig and Rabindranath Tagore by Martin KaempchenRabindranath Tagore and Martin Buber: A Meeting of Two Great Souls by Abhik RoyAlbert Einstein and Rabindranath TagoreHermann Hesse and Rabindranath Tagore by Martin KaempchenRabindranath and his German publisher Kurt Wolff by Martin Kaempchen