In the millions of planets and infinity of time - surely there must be a possibility that man is not a unique event.
Is Man Alone in Space?, Scientific American, Volume 189, Number 1, July, 1953 (p. 80)
In the millions of planets and infinity of time - surely there must be a possibility that man is not a unique event.
Is Man Alone in Space?, Scientific American, Volume 189, Number 1, July, 1953 (p. 80)