Again and again, the key to a great discovery has been an unexpected observation.


Science and Scientists, Nature, Volume 207, Number 5001, September 4, 1965 (p. 1057)


Again and again, the key to a great discovery has been an unexpected observation.

Again and again, the key to a great discovery has been an unexpected observation.

Again and again, the key to a great discovery has been an unexpected observation.

Again and again, the key to a great discovery has been an unexpected observation.