1949 in science

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The year 1949 in science and technology involved some significant events, listed below.

Astronomy and space exploration

• June 14 – Albert II, a Rhesus Monkey, becomes the first mammal in space, in a U.S.-launched V-2 rocket, reaching an altitude of 83 miles (134 km) but dying on impact after a parachute failure.

Chemistry

• Radiocarbon dating technique discovered by Willard Libby and his colleagues at the University of Chicago—work for which Libby will receive the Nobel prize in 1960.
• A group including Dorothy Hodgkin publish the three-dimensional molecular structure of penicillin, demonstrating that it contains a β-lactam ring.

Computer science

• April – Manchester Mark 1 computer operable at the University of Manchester.
• May 6 – EDSAC, the first practicable stored-program computer, runs its first program at Cambridge University, to calculate a table of squares.

Earth sciences

• August 5 – Ambato earthquake in Ecuador, measuring 6.8 on the Richter magnitude scale.

History of science

• Herbert Butterfield publishes The Origins of Modern Science, 1300-1800.

Mathematics

• Ákos Császár discovers the Császár polyhedron.

Medicine

• The use of lithium salts to control mania is rediscovered by Australian psychiatrist John Cade, the first mood stabilizer.
• First implant of intraocular lens, by Sir Harold Ridley

Meteorology

• January 11 – Los Angeles, California receives its first recorded snowfall.

Philosophy

• Gilbert Ryle's book The Concept of Mind, a founding document in the philosophy of mind, is published.

Physics

• Freeman Dyson demonstrates the equivalence of the formulations of quantum electrodynamics existing at this time, incidentally inventing the Dyson series.
• The Lanczos tensor is introduced in general relativity by Cornelius Lanczos.

Zoology

• Konrad Lorenz publishes King Solomon's Ring (Er redete mit dem Vieh, den Vögeln und den Fischen).

Awards

• Nobel Prizes
  • Physics – Yukawa Hideki
  • Chemistry – William Francis Giauque
  • Medicine – Walter Rudolf Hess, Antonio Caetano De Abreu Freire Egas Moniz

Births

• January 25 – Paul Nurse, English cell biologist, winner of Nobel Prize in Physiology or Medicine.
• February 19 – Danielle Bunten Berry, born Dan(iel Paul) Bunten (died 1998), American software developer.
• April 1 – Alice Alldredge, Australian-born oceanographer.
• April 5 – Judith Resnik (died 1986), American astronaut.
• May 24 – Tomaž Pisanski, Slovenian mathematician.
• May 26 – Ward Cunningham, American computer programmer.
• August 31 – H. David Politzer, American physicist, winner of the Nobel Prize in Physics.
• November 24 – Sally Davies, English Chief Medical Officer.

Deaths

• February 22 – Félix d'Herelle (died 1873), French-Canadian microbiologist, a co-discoverer of bacteriophages.
• May 27
  • Ægidius Elling (born 1861), Norwegian gas turbine pioneer.
  • Martin Knudsen (born 1871), Danish physicist.
• August 5 – Ernest Fourneau (born 1872), French medicinal chemist.