"Everything that can be invented has been invented."
- Charles Duell, head of the U.S. Patent Office, 1899

"X rays are a hoax."
- Lord Kelvin, physicist, c. 1900

- New York Times headline, Aug. 27, 1911

"The chemical purity of the air is of no importance."
- L. Erskine Hill, lecturer in physiology at London Hospital, 1912

"The radio craze... will die out in time."
- Thomas Edison, 1922

"While theorietically and technically television may be feasible, commercially and financially I consider it an impossibility."
- Lee DeForest, inventor of the Audion tube, 1926

"(By 1940) the relativity theory will be considered a joke."
- George Francis Gilette, American engineer, 1929

"50 years hence... (we) shall escape the absurdity of growing a whole chicken in order to eat the breast or wing by growing these parts separately under a suitable medium."
- Winston Churchill, 1932

"I think there is a world market for about 5 computers."
- Thomas Watson, chairman of IBM, 1943

"The bomb will never go off, and I speak as an expert in explosives."
- Admiral William Daniel Leahy, advising President Truman on the U.S. atom-bomb project, 1945

"Space travel is utter bilge."
- Richard van der Riet Wooley, on assuming the post of British Astronomer Royal, 1956

"There is no reason for any individual to have a computer in their home."
- Ken Olson, president of Digital Equipment Corp., 1977

"640K of memory ought to be enough for anybody."
- Bill Gates, CEO of Microsoft, 1981

"The cloning of mammals... is biologically impossible."
- James McGrath and Davor Solter, writing in Scence, Dec. 14, 1984

From The Experts Speak by Christopher Cerf and Victor Navasky (Villard)