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Louis de Broglie

Louis de BroglieAKA Louis Victor Pierre Raymond du Broglie

Born: 15-Aug-1892
Birthplace: Dieppe, France
Died: 19-Mar-1987
Location of death: Paris, France
Cause of death: Natural Causes
Remains: Buried, Cimetière de Neuilly-sur-Seine, Neuilly-sur-Seine, France

Gender: Male
Race or Ethnicity: White
Sexual orientation: Straight
Occupation: Physicist

Nationality: France
Executive summary: Discovered the wave nature of electrons

Military service: French Army (WWI)

French quantum physicist Louis de Broglie introduced his theory of particle-wave duality in 1924. In his time, the wave and particle interpretations of light and matter were seen as being at odds with one another, but de Broglie suggested that these seemingly different characteristics were instead the same behavior observed from different perspectives — that particles can behave like waves, and waves (radiation) can behave like particles. It was originally written as his doctoral thesis, but his advisors at the Sorbonne concluded that they could not fully assess its merit, and suggested that he send Albert Einstein a copy for evaluation. Einstein wrote back almost immediately, and stated that de Broglie had unraveled one of the secrets of the universe. His theory helped explain how atoms, molecules, and protons behave, inspired Erwin Schrödinger in the formulation of wave mechanics, and earned de Broglie the Nobel Prize for Physics in 1929.

He also studied atomic energy, cybernetics, gamma rays, optics, particle accelerators, x-rays, and wave-guides. In 1949 de Broglie became the first high-level scientist to call for establishment of a multi-national laboratory, a proposal that led to the establishment of the European Organization for Nuclear Research (CERN). His brother was physicist Maurice de Broglie, and by heredity they were both French dukes and German princes.

Father: Louis Alphonse Victor de Broglie (diplomat, 5th Duke de Broglie, b. 30-Oct-1846, d. 26-Aug-1906)
Mother: Pauline d'Armaillé (b. 22-Dec-1851, m. 28-Sep-1871, d. 26-Jun-1928)
Sister: Albertine de Broglie de Luppé (b. 26-Aug-1876, d. 7-Feb-1934)
Brother: Phillippe de Broglie (b. 6-Dec-1881, d. 18-May-1890)
Sister: Laure Marie Pauline de Broglie de Pange (b. 5-Feb-1888, d. 29-Feb-1972)
Brother: Maurice de Broglie (physicist, 6th Duke de Broglie, b. 27-Apr-1875, d. 14-Jul-1960)

    High School: Lyceé Janson de Sailly, Paris, France (1909)
    University: BA History, Sorbonne (1910)
    University: PhD Theoretical Physics, Sorbonne (1924)
    Teacher: Physics, Sorbonne (1924-28)
    Professor: Theoretical Physics, Institut Henri Poincaré (1928-32)
    Professor: Theoretical Physics, University of Paris (1932-62)

    Henri Poincaré Medal 1929
    Nobel Prize for Physics 1929
    Albert I of Monaco Prize 1932
    Max Planck Medal 1938
    UNESCO Kalinga Prize for the Popularization of Science 1952
    Order of Leopold, Belgium
    French Legion of Honor
    Bureau des Longitudes
    French Academy of Sciences 1933
    French Academy of Sciences Permanent Secretary (1942-75)
    National Academy of Sciences 1947 (Foreign Member)
    Royal Society 1953
    CERN (Co-Founder) 1954
    French Academy 1958
    International Academy of Quantum Molecular Science
    French Ancestry
    German Ancestry

Author of books:
Ondes et Mouvements (Waves and Motions) (1926, non-fiction)
La Mécanique Ondulatoire (Wave Mechanics) (1928, non-fiction)
Matter and Light: The New Physics (1939)
Théorie Générale des Particules à Spin (General Theory of Particle Spin) (1943, non-fiction)
Optique Electronique et Corpusculaire (Electronics and Optical Particle) (1950, non-fiction)
Une Tentative d'interprétation Causale et non Linéaire de la Mécanique Ondulatoire (Non-Linear Wave Mechanics) (1953, non-fiction)
The Revolution in Physics (1953)
Louis de Broglie: Physicien et Penseur (Physicist and Thinker) (1953, memoir)
Physics and Microphysics (1960)
Introduction à la Nouvelle Théorie des Particules de M Jean-Pierre Vigier et de ses Collaborateurs (Introduction to the Vigier Theory of Elementary Particles) (1961, non-fiction)
New Perspectives in Physics (1962, non-fiction)
Étude Critique des bases de l'interprétation Actuelle de la Mécanique Ondulatoire (The Current Interpretation of Wave Mechanics) (1963, non-fiction)
La Physique Nouvelle et les Quanta (The New Physics and Quanta) (1974, non-fiction)
Un Itinéraire Scientifique (A Scientific Itinerary) (1987, essays)

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