Rabindranath Tagore had an abiding interest in the philosophical implications of modern science and had regular interactions with the leading scientists of his time.

By 1919 Albert Einstein had emerged in the wyes of the whole world as the new messiah of science who had dislodged the mighty Newton from his pedestal by daring to challenge the absolute character of space and time and their Euclidean geometry, and the very character of light as a wave.

This monograph is a complete account of their correspondence, meetings, conversations, musings on each other and photographs, collected from the archives at Rabindra Bhavana, Santiniketan, Leo Baeck Institute, New York/Berlin, and other sources, enriched scholars, and introductions to the histroical milieu of their meetings and the philosophical issues that engaged them.