1911 in science

The year 1911 in science and technology involved some significant events, listed below.

Astronomy

• June 28 – The
  Alexandria, Egypt, purportedly killing a dog.^[1]

• May 19 –
  Department of the Interior
  .
• July 7 – The United States, Russia, the United Kingdom and Japan, meeting in Washington, D.C., sign the North Pacific Fur Seal Convention of 1911, prohibiting open-water seal hunting of the endangered fur seal in the North Pacific Ocean,^[2] the first international treaty to address wildlife conservation issues. In the next six years, the seal population increases by 30%.^[3]

Geology

• January 3 – 1911 Kebin earthquake: An earthquake of 7.7 moment magnitude strikes near Almaty in Russian Turkestan.^[4]

Exploration

• July 24 – American explorer
  Inca citadel of Machu Picchu, Peru
  , and introduces it to the world.
• December 14 – Norwegian explorer Roald Amundsen and a team of four become the first people to reach the South Pole.

Mathematics

• Robert Remak's doctoral dissertation Über die Zerlegung der endlichen Gruppen in indirekte unzerlegbare Faktoren establishes that any two decompositions of a finite group into a direct product are related by a central automorphism.
• Traian Lalescu publishes Introduction to the Theory of Integral Equations, the first ever monograph on the subject of integral equations.

Medicine

• Eugen Bleuler expands on his definition of schizophrenia as a condition distinct from Dementia praecox, in Dementia Praecox oder Gruppe der Schizophrenien.^[5][6][7]

Physics

• April 8 – Heike Kamerlingh Onnes discovers the phenomenon of superconductivity.^[8]
• June 24–30 –
  cosmic rays
  cannot be originated by the Earth's crust.
• October – The first Solvay Congress of physicists convenes.
• Geiger–Marsden experiment and derives the Rutherford cross section by deducing the existence of a compact atomic nucleus from scattering experiments. He proposes the Rutherford model of the atom and demonstrates that J. J. Thomson's plum pudding model
  is incorrect.
• Charles Wilson finishes a sophisticated cloud chamber
  .

• The
  geometrical-optical illusion, is first demonstrated by Italian psychologist Mario Ponzo.^[9]

• January 18 –
  Eugene Ely lands on the deck of the USS Pennsylvania anchored in San Francisco Bay, the first aircraft landing
  on a ship.
• June 5 –
  starter motor.^[10]
• November 4 – MS Selandia, the first large ocean-going diesel ship, is launched in Denmark; Ivar Knudsen is the diesel engineer. The 1909-launched Dutch diesel tanker Vulcanus also enters service this year.
• John Joseph Rawlings files a United Kingdom patent for a wall plug.^[11]
• The
  Lewis automatic light machine gun is invented by United States Army Colonel Isaac Newton Lewis, based on initial work by Samuel Maclean.^[12]

• March–May – A serialized version of Frederick Winslow Taylor's monograph, The Principles of Scientific Management Archived 2009-02-25 at the Wayback Machine appears in The American Magazine, boosting the efficiency movement.

Awards

• Nobel Prizes
  • Physics – Wilhelm Wien
  • Chemistry – Marie Curie^[13]
  • Medicine – Allvar Gullstrand

Births

• January 26 – Polykarp Kusch (died 1993), German-born molecular physicist, winner of the Nobel Prize in Physics.
• February 14 – Willem Johan Kolff (died 2009), Dutch inventor of hemodialysis.
• March 26 – Bernard Katz (died 2003), German-born biophysicist, winner of the Nobel Prize in Physiology or Medicine.
• April 3 –
  organ transplant surgery
  .
• April 6 – Feodor Lynen (died 1979), German biochemist, winner of the Nobel Prize in Physiology or Medicine.
• April 8 – Melvin Calvin (died 1997), American biochemist, winner of the Nobel Prize in Chemistry.
• April 16 –
  botanist
  .
• April 18 – Maurice Goldhaber (died 2011), Austrian-born physicist.
• May 22 – Anatol Rapoport (died 2007), Russian-born mathematical psychologist.
• June 13 – Luis Alvarez (died 1988), American experimental physicist, winner of the Nobel Prize in Physics.
• June 25 – William Howard Stein (died 1980), American biochemist, winner of the Nobel Prize in Chemistry.
• July 3 –
  electrical engineer
  .
• July 4 –
  solid-state physicist
  .
• July 5 –
  biochemical evolution
  .
• July 9 –
  theoretical physicist
  .
• August 9 – William A. Fowler (died 1995), American nuclear and astrophysicist, winner of the Nobel Prize in Physics.
• August 29 –
  orthopaedic surgeon
  .
• September 29 – R. V. Jones (died 1997), English physicist, expert in electronic military defence.
• October 5 –
  ecologist
  .
• November 27 –
  pediatrician and National Scientist of the Philippines
  .
• December 14 – Hans von Ohain (died 1998), German aeronautical engineer.
• December 23 – Niels Kaj Jerne (died 1994), English-born Danish immunologist, winner of the Nobel Prize in Physiology or Medicine.

Deaths

• January 17 – Sir Francis Galton (born 1822), English explorer and biologist.
• February 15 – Theodor Escherich (born 1857), German-born pediatric bacteriologist.
• March 1 – Jacobus van 't Hoff (born 1852), Dutch chemist.
• May 21 – Williamina Fleming (born 1857), American astronomer.^[14]
• May 24 –
  neurologist
  .
• June 26 – Signe Häggman (born 1863), Finnish pioneer of physical education of disabled people.
• December 2 –
  geodesist, astronomer, geographer
  , surveyor and engineer in the United States.
• December 10 –
  botanist
  .
• December 13 (O.S. November 30) – Nikolay Beketov (born 1827), Russian chemist.

References