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  • Kiel, Holstein, Germany
    Friday Apr 23, 1858

    Born

    Kiel, Holstein, Germany
    Friday Apr 23, 1858

    Planck was born in Kiel, Holstein, to Johann Julius Wilhelm Planck and his second wife, Emma Patzig.




  • Munich, Germany
    1867

    Education

    Munich, Germany
    1867

    In 1867 the family moved to Munich, and Planck enrolled in the Maximilians gymnasium school, where he came under the tutelage of Hermann Müller, a mathematician who took an interest in the youth, and taught him astronomy and mechanics as well as mathematics. It was from Müller that Planck first learned the principle of conservation of energy. Planck graduated early, at age 17. This is how Planck first came in contact with the field of physics.




  • Friedrich Wilhelms University, Berlin, Germany
    Oct, 1878

    Graduation

    Friedrich Wilhelms University, Berlin, Germany
    Oct, 1878

    After studying at the University of Munich, he went to the Friedrich Wilhelms University in Berlin for a year of study with physicists Hermann von Helmholtz and Gustav Kirchhoff and mathematician Karl Weierstrass, and in October 1878 Planck passed his qualifying exams .




  • University of Kiel, Holstein, Germany
    Apr, 1885

    Associate Professor

    University of Kiel, Holstein, Germany
    Apr, 1885

    In April 1885 the University of Kiel appointed Planck as associate professor of theoretical physics. Further work on entropy and its treatment, especially as applied in physical chemistry.




  • Kiel, Holstein, Germany
    Mar, 1887

    1st Marriage

    Kiel, Holstein, Germany
    Mar, 1887

    In March 1887 Planck married Marie Merck (1861–1909), sister of a school fellow, and moved with her into a sublet apartment in Kiel.




  • Friedrich Wilhelms University, Berlin, Germany
    1892

    Becomeing a Full Professor

    Friedrich Wilhelms University, Berlin, Germany
    1892

    In 1889 he was named the successor to Kirchhoff's position at the Friedrich-Wilhelms-Universität in Berlin presumably thanks to Helmholtz's intercession – and by 1892 became a full professor.




  • Germany
    1897

    He published his treatise on Thermodynamics

    Germany
    1897

    He published his Treatise on Thermodynamics in 1897. He proposed a thermodynamic basis for Svante Arrhenius's theory of electrolytic dissociation.


  • Berlin, Germany
    Jul, 1909

    Marie Planck's Death

    Berlin, Germany
    Jul, 1909

    After several happy years, in July 1909 Marie Planck died, possibly from tuberculosis.


  • Berlin, Germany
    Mar, 1911

    2nd Marriage

    Berlin, Germany
    Mar, 1911

    In March 1911 Planck married his second wife, Marga von Hoesslin (1882–1948).


  • Stockholm, Swedan
    Tuesday Dec 10, 1918

    The Nobel Prize

    Stockholm, Swedan
    Tuesday Dec 10, 1918

    The discovery of Planck's constant enabled him to define a new universal set of physical units (such as the Planck length and the Planck mass), all based on fundamental physical constants upon which much of quantum theory is based. In recognition of Planck's fundamental contribution to a new branch of physics, he was awarded the Nobel Prize in Physics for 1918 (he actually received the award in 1919).


  • Berlin
    Sunday Jan 10, 1926

    Retirement

    Berlin
    Sunday Jan 10, 1926

    He retired from Berlin on 10 January 1926, and was succeeded by Erwin Schrödinger.


  • Berlin, Germany
    Feb, 1944

    His Home was Destroyed

    Berlin, Germany
    Feb, 1944

    In February 1944 his home in Berlin was completely destroyed by an air raid, annihilating all his scientific records and correspondence.


  • Plötzensee Prison, Berlin, Germany
    Tuesday Jan 23, 1945

    Erwin (His son) was hanged

    Plötzensee Prison, Berlin, Germany
    Tuesday Jan 23, 1945

    In 1944, Planck's son Erwin was arrested by the Gestapo following the attempted assassination of Hitler in the 20 July plot. He was tried and sentenced to death by the People's Court in October 1944. Erwin was hanged at Berlin's Plötzensee Prison in January 1945. The death of his son destroyed much of Planck's will to live.


  • Göttingen, Germany
    Saturday Oct 04, 1947

    Death

    Göttingen, Germany
    Saturday Oct 04, 1947

    After the end of the war Planck, his second wife, and his son by her were brought to a relative in Göttingen, where Planck died on October 4, 1947.


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