The comparative study of religion and philosophy will find that these two unique thinkers resonate together in an uncanny way even if they eventually come to different conclusions.
Shankara is the Indian master of this quest par excellence. His elucidation and insight into Being is unparalleled. As well, Heidegger is the Western philosopher who has come the closest to thinking Being in terms other than the terms of the ‘categories of beings’.
John A. Grimes is a renowned scholar in Vedanta and Indian Philosophy.