1913 in science
Encyclopedia
The year 1913 in science
Science
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe...

and technology
Technology
Technology is the making, usage, and knowledge of tools, machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes ;...

 involved some significant events, listed below.

Chemistry

  • Protactinium
    Protactinium
    Protactinium is a chemical element with the symbol Pa and atomic number 91. It is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. It forms various chemical compounds where protactinium is usually present in the oxidation state +5, but can also assume...

     is first identified by Kasimir Fajans and O. H. Göhring
  • Henry Moseley
    Henry Moseley
    Henry Gwyn Jeffreys Moseley was an English physicist. Moseley's outstanding contribution to the science of physics was the justification from physical laws of the previous empirical and chemical concept of the atomic number. This stemmed from his development of Moseley's law in X-ray spectra...

     shows that nuclear charge is the real basis for numbering the elements and discovers a systematic relation between wavelength
    Wavelength
    In physics, the wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats.It is usually determined by considering the distance between consecutive corresponding points of the same phase, such as crests, troughs, or zero crossings, and is a...

     and atomic number
    Atomic number
    In chemistry and physics, the atomic number is the number of protons found in the nucleus of an atom and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z. The atomic number uniquely identifies a chemical element...

     by using x-ray
    X-ray
    X-radiation is a form of electromagnetic radiation. X-rays have a wavelength in the range of 0.01 to 10 nanometers, corresponding to frequencies in the range 30 petahertz to 30 exahertz and energies in the range 120 eV to 120 keV. They are shorter in wavelength than UV rays and longer than gamma...

     spectra
    Electromagnetic spectrum
    The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation. The "electromagnetic spectrum" of an object is the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object....

     obtained by diffraction in crystals.

Mathematics

  • Publication of the 3rd volume of Principia Mathematica
    Principia Mathematica
    The Principia Mathematica is a three-volume work on the foundations of mathematics, written by Alfred North Whitehead and Bertrand Russell and published in 1910, 1912, and 1913...

    by Alfred North Whitehead
    Alfred North Whitehead
    Alfred North Whitehead, OM FRS was an English mathematician who became a philosopher. He wrote on algebra, logic, foundations of mathematics, philosophy of science, physics, metaphysics, and education...

     and Bertrand Russell
    Bertrand Russell
    Bertrand Arthur William Russell, 3rd Earl Russell, OM, FRS was a British philosopher, logician, mathematician, historian, and social critic. At various points in his life he considered himself a liberal, a socialist, and a pacifist, but he also admitted that he had never been any of these things...

    , one of the most important and seminal works in mathematical logic and philosophy.

Medicine

  • Nikolay Anichkov first demonstrates the significance and role of cholesterol
    Cholesterol
    Cholesterol is a complex isoprenoid. Specifically, it is a waxy steroid of fat that is produced in the liver or intestines. It is used to produce hormones and cell membranes and is transported in the blood plasma of all mammals. It is an essential structural component of mammalian cell membranes...

     in atherosclerosis
    Atherosclerosis
    Atherosclerosis is a condition in which an artery wall thickens as a result of the accumulation of fatty materials such as cholesterol...

     pathogenesis.
  • Albert Schweitzer
    Albert Schweitzer
    Albert Schweitzer OM was a German theologian, organist, philosopher, physician, and medical missionary. He was born in Kaysersberg in the province of Alsace-Lorraine, at that time part of the German Empire...

     sets up the Albert Schweitzer Hospital
    Albert Schweitzer Hospital
    The Medical Research Unit of the Albert Schweitzer Hospital was established in Lambaréné, Gabon, to study major causes of disease burden in the local population...

     at Lambaréné
    Lambaréné
    Lambaréné is the capital of the political district Moyen-Ogooué in Gabon. The city counts 24,000 inhabitants and is located 75 kilometres south of the equator....

     in French Equatorial Africa
    French Equatorial Africa
    French Equatorial Africa or the AEF was the federation of French colonial possessions in Middle Africa, extending northwards from the Congo River to the Sahara Desert.-History:...

    .

Physics

  • William Henry Bragg
    William Henry Bragg
    Sir William Henry Bragg OM, KBE, PRS was a British physicist, chemist, mathematician and active sportsman who uniquely shared a Nobel Prize with his son William Lawrence Bragg - the 1915 Nobel Prize in Physics...

     and William Lawrence Bragg
    William Lawrence Bragg
    Sir William Lawrence Bragg CH OBE MC FRS was an Australian-born British physicist and X-ray crystallographer, discoverer of the Bragg law of X-ray diffraction, which is basic for the determination of crystal structure. He was joint winner of the Nobel Prize for Physics in 1915. He was knighted...

     work out the Bragg condition for strong X-ray reflection.
  • Niels Bohr
    Niels Bohr
    Niels Henrik David Bohr was a Danish physicist who made foundational contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in Physics in 1922. Bohr mentored and collaborated with many of the top physicists of the century at his institute in...

     presents his quantum model of the atom
    Bohr model
    In atomic physics, the Bohr model, introduced by Niels Bohr in 1913, depicts the atom as a small, positively charged nucleus surrounded by electrons that travel in circular orbits around the nucleus—similar in structure to the solar system, but with electrostatic forces providing attraction,...

    . See paper here.
  • Robert Millikan
    Robert Millikan
    Robert A. Millikan was an American experimental physicist, and Nobel laureate in physics for his measurement of the charge on the electron and for his work on the photoelectric effect. He served as president of Caltech from 1921 to 1945...

     measures the fundamental unit of electric charge
    Elementary charge
    The elementary charge, usually denoted as e, is the electric charge carried by a single proton, or equivalently, the absolute value of the electric charge carried by a single electron. This elementary charge is a fundamental physical constant. To avoid confusion over its sign, e is sometimes called...

    .
  • Johannes Stark
    Johannes Stark
    Johannes Stark was a German physicist, and Physics Nobel Prize laureate who was closely involved with the Deutsche Physik movement under the Nazi regime.-Early years:...

     demonstrates that strong electric fields will split the Balmer spectral line series of hydrogen.

Psychology

  • John B. Watson
    John B. Watson
    John Broadus Watson was an American psychologist who established the psychological school of behaviorism. Watson promoted a change in psychology through his address Psychology as the Behaviorist Views it which was given at Columbia University in 1913...

     publishes the article "Psychology as the Behaviorist Views It" — sometimes called "The Behaviorist Manifesto".

Technology

  • Kinemacolor
    Kinemacolor
    Kinemacolor was the first successful color motion picture process, used commercially from 1908 to 1914. It was invented by George Albert Smith of Brighton, England in 1906. He was influenced by the work of William Norman Lascelles Davidson. It was launched by Charles Urban's Urban Trading Co. of...

    , the first commercial "natural color" system for movies
    Film
    A film, also called a movie or motion picture, is a series of still or moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects...

     is invented.

Publications

  • Die Naturwissenschaften first published by Die Kaiser-Wilhelm-Gesellschaft zur Förderung der Wissenschaften e. V.

Awards

  • Nobel Prize
    Nobel Prize
    The Nobel Prizes are annual international awards bestowed by Scandinavian committees in recognition of cultural and scientific advances. The will of the Swedish chemist Alfred Nobel, the inventor of dynamite, established the prizes in 1895...

    • Physics
      Nobel Prize in Physics
      The Nobel Prize in Physics is awarded once a year by the Royal Swedish Academy of Sciences. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895 and awarded since 1901; the others are the Nobel Prize in Chemistry, Nobel Prize in Literature, Nobel Peace Prize, and...

       - Heike Kamerlingh-Onnes
    • Chemistry
      Nobel Prize in Chemistry
      The Nobel Prize in Chemistry is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry. It is one of the five Nobel Prizes established by the will of Alfred Nobel in 1895, awarded for outstanding contributions in chemistry, physics, literature,...

       - Alfred Werner
      Alfred Werner
      Alfred Werner was a Swiss chemist who was a student at ETH Zurich and a professor at the University of Zurich. He won the Nobel Prize in Chemistry in 1913 for proposing the octahedral configuration of transition metal complexes. Werner developed the basis for modern coordination chemistry...

    • Medicine
      Nobel Prize in Physiology or Medicine
      The Nobel Prize in Physiology or Medicine administered by the Nobel Foundation, is awarded once a year for outstanding discoveries in the field of life science and medicine. It is one of five Nobel Prizes established in 1895 by Swedish chemist Alfred Nobel, the inventor of dynamite, in his will...

       - Charles Richet

Births

  • May 13 - Erich Lackner
    Erich Lackner
    Erich Friedrich Michael Lackner is a German civil engineer. He is considered to be one of the most important German engineers of the 20th century.-Professional career:...

    , civil engineer.
  • March 26 - Paul Erdős
    Paul Erdos
    Paul Erdős was a Hungarian mathematician. Erdős published more papers than any other mathematician in history, working with hundreds of collaborators. He worked on problems in combinatorics, graph theory, number theory, classical analysis, approximation theory, set theory, and probability theory...

     (d. 1996
    1996 in science
    The year 1996 in science and technology involved many significant events, listed below.-Astronomy and space exploration:* January 30 – Comet Hyakutake is discovered.* February 17 – NEAR Shoemaker spacecraft launched...

    ), mathematician.

Deaths

  • January 2 - Léon Teisserenc de Bort
    Léon Teisserenc de Bort
    Léon Philippe Teisserenc de Bort was a French meteorologist who became famous for his discovery of the stratosphere...

     (b. 1855
    1855 in science
    The year 1855 in science and technology involved some significant events, listed below.-Events:* Opening of Eidgenössische Polytechnische Schule in Zurich, Switzerland.-Biology:...

    ), meteorologist.
  • April 14 - Carl Hagenbeck
    Carl Hagenbeck
    Carl Hagenbeck was a merchant of wild animals who supplied many European zoos, as well as P.T. Barnum. He is often considered the father of the modern zoo because he introduced "natural" animal enclosures that included recreations of animals' native habitats without bars...

     (b. 1844
    1844 in science
    The year 1844 in science and technology involved some significant events, listed below.-Astronomy:* Friedrich Bessel explains the wobbling motions of Sirius and Procyon by suggesting that these stars have dark companions.-Biology:...

    ), zoologist.
  • May 28 - John Lubbock
    John Lubbock
    John Lubbock is the name of:*Sir John Lubbock, 1st Baronet *Sir John Lubbock, 2nd Baronet , English banker*Sir John Lubbock, 3rd Baronet , English banker, barrister, mathematician and astronomer...

     (b. 1834
    1834 in science
    The year 1834 in science and technology involved some significant events, listed below.-Events:* March - William Whewell first publishes the term scientist in the Quarterly Review, but notes it as "not generally palatable"....

    ), naturalist and archaeologist.
  • September 29 - Rudolf Diesel
    Rudolf Diesel
    Rudolf Christian Karl Diesel was a German inventor and mechanical engineer, famous for the invention of the diesel engine.-Early life:Diesel was born in Paris, France in 1858 the second of three children of Theodor and Elise Diesel. His parents were Bavarian immigrants living in Paris. Theodor...

     (b. 1858
    1858 in science
    The year 1858 in science and technology involved some significant events, listed below.-Archaeology:* In Luxor, Egypt, the Rhind papyrus is found ; it is sometimes called the Ahmes papyrus for the scribe who wrote it around 1650 BC.-Astronomy:* Donati's Comet, the first comet to be photographed, is...

    ), mechanical engineer (lost overboard this night).
  • November 7 - Alfred Russel Wallace
    Alfred Russel Wallace
    Alfred Russel Wallace, OM, FRS was a British naturalist, explorer, geographer, anthropologist and biologist...

     (b. 1823
    1823 in science
    The year 1823 in science and technology involved some significant events, listed below.-Astronomy:* Olbers' paradox is described by the German astronomer Heinrich Wilhelm Matthäus Olbers.* December 29 - Great Comet of 1823 first observed.-Chemistry:...

    ), biologist.
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