The year 1947 in science and technology involved some significant events, listed below.
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- January 25 – Thomas T. Goldsmith Jr. and Estle Ray Mann file a United States patent request for an invention described as a "cathode-ray tube amusement device",[10] probably the first video game.
- July 29 – After being shut off on November 9, 1946, for a refurbishment and relocation, ENIAC, one of the world's first digital computers, is turned on after a memory upgrade at Aberdeen Proving Ground, Maryland. It will remain in continuous operation until October 2, 1955.[11]
- August 18 – Official start of construction of Automatic Computing Engine in the United Kingdom.
- September 9 – A moth lodged in a relay is found to be the cause of a malfunction in the Harvard Mark II electromechanical computer, logged as "First actual case of bug being found."[12][13]
- October – First recorded use of the word computer in its modern sense, referring to an electronic digital machine.[14]
- January 24 – Michio Kaku, American theoretical physicist and popularizer of science.
- January 29 – Linda B. Buck, American biologist, recipient of the Nobel Prize in Physiology or Medicine, 2004.
- February 4 – John Campbell Brown (died 2019), Scottish astronomer.[34]
- March 16 – Keith Devlin, English-born mathematician and popularizer of science.
- April 18 – Chris Rapley, British climate scientist.
- May 9 – Michael Levitt, South African-born computational biologist, recipient of the Nobel Prize in Chemistry, 2013.
- June 8 – Eric F. Wieschaus, American biologist, recipient of the Nobel Prize in Physiology or Medicine, 1995.
- June 15 – Alain Aspect, French quantum physicist, recipient of the Nobel Prize in Physics[35]
- June 25 – Will Steffen, American-born Australian chemist (died 2023)[36]
- July 5 – Lalji Singh, Indian biotechnologist and cytogeneticist.
- July 30 – Françoise Barré-Sinoussi, French virologist, recipient of the Nobel Prize in Physiology or Medicine, 2008.
- August 21 – Margaret Chan, Hong Kong-born physician.
- December 6 – Geoffrey Hinton, English-born cognitive psychologist and computer scientist, "godfather of AI", recipient of the Nobel Prize in Physics 2024.
- December 16 – Martyn Poliakoff, British chemist and popularizer of science.
- Stuart W. Jamieson, Rhodesian-born cardiothoracic surgeon.
Orton, O. Richard (1998). Rocks From Space (2nd ed.). Missoula, Montana: Mountain Press Publishing. p. 103. ISBN 0-87842-373-7.
Lack, Andrew; Overall, Roy (2002). The Museum Swifts: the story of the swifts in the tower of the Oxford University Museum of Natural History. Oxford University Museum of Natural History. ISBN 0-9542726-0-9.
US 2455992, Goldsmith Jr., Thomas T. & Estle Ray, Mann, "Cathode-ray tube amusement device", published 1948-12-14, assigned to Allen B. Du Mont Laboratories Inc.
"bug:n". The Jargon File. Retrieved 2012-01-20.
Dantzig, George B. (2003). Cottle, Richard W (ed.). The Basic George B. Dantzig. Stanford University Press.
Dantzig, George B.; Thapa, Mukund N. (1997). Linear programming 1: Introduction. Springer.
Dantzig, George B.; Thapa, Mukund N. (2003). Linear Programming 2: Theory and Extensions. Springer.
Computing in Science and Engineering 2(1) (2000).
GRO Register of Deaths: December 1947 4a 204 Cambridge – Godfrey H. Hardy, aged 70.