Fritz Walther Meißner (anglicized: ''Meissner'') (16 December 1882 – 16 November 1974) was a German technical physicist. Meißner was born in

Berlin Berlin ( ; ) is the Capital of Germany, capital and largest city of Germany, by both area and List of cities in Germany by population, population. With 3.7 million inhabitants, it has the List of cities in the European Union by population withi ...

to Waldemar Meißner and Johanna Greger. He studied mechanical engineering and physics at the

Technische Hochschule A ''Technische Hochschule'' (, plural: ''Technische Hochschulen'', abbreviated ''TH'') is a type of university focusing on engineering sciences in Germany. Previously, it also existed in Austria, Switzerland, the Netherlands (), and Finland (, ) ...

in Charlottenburg (now

Technische Universität Berlin (TU Berlin; also known as Berlin Institute of Technology and Technical University of Berlin, although officially the name should not be translated) is a public university, public research university located in Berlin, Germany. It was the first ...

), his doctoral supervisor being

Max Planck Max Karl Ernst Ludwig Planck (; ; 23 April 1858 – 4 October 1947) was a German Theoretical physics, theoretical physicist whose discovery of energy quantum, quanta won him the Nobel Prize in Physics in 1918. Planck made many substantial con ...

. He then entered the

Physikalisch-Technische Bundesanstalt The Physikalisch-Technische Bundesanstalt (PTB) is the national metrology institute of the Federal Republic of Germany, with scientific and technical service tasks. It is a higher federal authority and a public-law institution directly under fed ...

in Berlin. From 1922 to 1925, he established the world's third largest helium-liquifier, and discovered in 1933 the

Meissner effect In condensed-matter physics, the Meissner effect (or Meißner–Ochsenfeld effect) is the expulsion of a magnetic field from a superconductor during its transition to the superconducting state when it is cooled below the critical temperature. Th ...

,Walther Meißner and R. Ochsenfeld, Naturwissenschaften V21, p. 787 (1933). damping of the

magnetic field A magnetic field (sometimes called B-field) is a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials. A moving charge in a magnetic field experiences a force perpendicular ...

in superconductors. One year later, he was called as chair in technical physics at the

Technical University of Munich The Technical University of Munich (TUM or TU Munich; ) is a public research university in Munich, Bavaria, Germany. It specializes in engineering, technology, medicine, and applied and natural sciences. Established in 1868 by King Ludwig II ...

. After

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

, he became the president of the

Bavarian Academy of Sciences and Humanities The Bavarian Academy of Sciences and Humanities () is an independent public institution, located in Munich. It appoints scholars whose research has contributed considerably to the increase of knowledge within their subject. The general goal of th ...

. In 1946, he was appointed director of the academy's first low temperature research commission. Laboratories were located in

Herrsching am Ammersee Herrsching am Ammersee is a municipality in Upper Bavaria, Germany, on the east shore of the Ammersee, southwest of Munich. The population is around 8,000 in winter, increasing to 13,000 in summer. Situated at one terminus of the Munich S-Bahn li ...

until 1965, when they were moved to

Garching Garching bei München (, ''Garching near Munich'') or Garching is a city in Bavaria, near Munich. It is the home of several research institutes and university departments, located at Campus Garching. History Spatial urban planning Garching was ...

. Meißner lived alone with his two dogs for the last several years of his life. Meißner died in Munich in 1974.

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* {{DEFAULTSORT:Meissner, Walther Engineers from Berlin Commanders Crosses of the Order of Merit of the Federal Republic of Germany Technische Universität Berlin alumni Academic staff of the Technical University of Munich 1882 births 1974 deaths Members of the Bavarian Academy of Sciences 20th-century German physicists