The black holes of nature are the most perfect macroscopic objects there are in the universe: the only elements in their construction are our concepts of space and time.

ISBN 0-226-10087-1. ISBN 0-618-34151-X. Truth and Beauty.

Chandrasekhar was the nephew of Sir Chandrasekhara Venkata Raman who won the Nobel Prize for Physics in 1930. mathematical theory of black holes and theory of colliding gravitational waves.