Karl Lintner
Encyclopedia
Karl Lintner is an Austrian
Austria
Austria , officially the Republic of Austria , is a landlocked country of roughly 8.4 million people in Central Europe. It is bordered by the Czech Republic and Germany to the north, Slovakia and Hungary to the east, Slovenia and Italy to the south, and Switzerland and Liechtenstein to the...

 nuclear physicist. During World War II, he worked on the German nuclear energy project, also known as the Uranium Club; he did research on the inelastic dispersion of fast neutrons in uranium. After the war, he taught and did nuclear research at the University of Vienna. He was a full member of the Austrian Academy of Sciences.

Education

From 1936 to 1940, Lintner studied physics at the Universität Wien
University of Vienna
The University of Vienna is a public university located in Vienna, Austria. It was founded by Duke Rudolph IV in 1365 and is the oldest university in the German-speaking world...

. He received his doctorate in 1940, under Georg Stetter
Georg Stetter
Georg Stetter was an Austrian-German nuclear physicist. Stetter was Director of the Second Physics Institute of the University of Vienna. He was a principal member of the German nuclear energy project, also known as the Uranium Club. In the latter years of World War II, he was also the Director...

.

Career

From 1941, Lintner was a teaching assistant to Georg Stetter
Georg Stetter
Georg Stetter was an Austrian-German nuclear physicist. Stetter was Director of the Second Physics Institute of the University of Vienna. He was a principal member of the German nuclear energy project, also known as the Uranium Club. In the latter years of World War II, he was also the Director...

 at the Universität Wien
University of Vienna
The University of Vienna is a public university located in Vienna, Austria. It was founded by Duke Rudolph IV in 1365 and is the oldest university in the German-speaking world...

. During World War II
World War II
World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

, Lintner worked on a team headed by Georg Stetter
Georg Stetter
Georg Stetter was an Austrian-German nuclear physicist. Stetter was Director of the Second Physics Institute of the University of Vienna. He was a principal member of the German nuclear energy project, also known as the Uranium Club. In the latter years of World War II, he was also the Director...

, a principal working on the German nuclear energy project
German nuclear energy project
The German nuclear energy project, , was an attempted clandestine scientific effort led by Germany to develop and produce the atomic weapons during the events involving the World War II...

, also known as the Uranverein (Uranium Club). Stetter led a group of six physicists and physical chemists in measuring atomic constants and neutron cross sections, as well as investigating transuranic elements
Transuranium element
In chemistry, transuranium elements are the chemical elements with atomic numbers greater than 92...

; in 1943, Stetter held the unified directorship of the Institut für Neutronenforschung (Institute for Neutron Research), the II. Physikalische Institut and the Institut für Neutronenforschung (Institute for Neutron Research). Lintner did research on the inelastic dispersion of fast neutrons in uranium
Uranium
Uranium is a silvery-white metallic chemical element in the actinide series of the periodic table, with atomic number 92. It is assigned the chemical symbol U. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons...

.

From 1945, Lintner was an assistant at the II. Physikalische Institut der Wiener Universität (Second Physics Institute of the University of Vienna), under Eduard Haschek, Karl Przibram, and Erich Schmid. From 1949, he was a Privatdozent
Privatdozent
Privatdozent or Private lecturer is a title conferred in some European university systems, especially in German-speaking countries, for someone who pursues an academic career and holds all formal qualifications to become a tenured university professor...

 at the University. Around 1959, he was a titular ausserordentlicher Professor (extraordinarius professor) there, and later an ordentlicher Professor (ordinarius professor). He was a full member of the Section for Mathematics and the Natural Sciences of the Österreichische Akademie der Wissenschaften
Austrian Academy of Sciences
The Austrian Academy of Sciences is a legal entity under the special protection of the Federal Republic of Austria. According to the statutes of the Academy its mission is to promote the sciences and humanities in every respect and in every field, particularly in fundamental research...


Classified reports

  • Georg Stetter and Karl Lintner Schnelle Neutronen im Uran. Der Zuwachs durch den Spaltprozeß und der Abfall durch unelastische Streuung (7 November 1941).


The following are cited as Geheimberichte (secret reports) on German nuclear research from the period 1939 to 1945 and which are being held in the Stadtarchiv Haigerloch:
  • Georg Stetter and Karl Lintner Schnelle Neutronen in Uran (I)

  • G. Stetter and K. Lintner Schnelle Neutronen in Uran (II und III): Streuversuche

  • K. Lintner Schnelle Neutronen in Uranoxyd IV

  • W. Jentschke
    Willibald Jentschke
    Willibald Jentschke was an Austrian-German experimental nuclear physicist. During World War II, he made contributions to the German nuclear energy project. After World War II, he emigrated to the United States to work at Wright-Patterson Air Force Base, in Ohio, for the Air Force Materiel Command...

     and K. Lintner Schnelle Neutronen in Uran V. This paper is also identified as G-277. There are nearly 400 reports in the G-series. Many of the reports in this series were published in Kernphysikalische Forschungsberichte
    Kernphysikalische Forschungsberichte
    Kernphysikalische Forschungsberichte was an internal publication of the German Uranverein, which was initiated under the Heereswaffenamt in 1939; in 1942, supervision of the Uranverein was turned over to the Reichsforschungsrat under the Reichserziehungsministerium...

    (Research Reports in Nuclear Physics), an internal publication of the German Uranverein
    German nuclear energy project
    The German nuclear energy project, , was an attempted clandestine scientific effort led by Germany to develop and produce the atomic weapons during the events involving the World War II...

    . The reports were classified Top Secret, they had very limited distribution, and the authors were not allowed to keep copies. The reports were confiscated under the Allied Operation Alsos
    Operation Alsos
    Operation Alsos was an effort at the end of World War II by the Allies , branched off from the Manhattan Project, to investigate the German nuclear energy project, seize German nuclear resources, materials and personnel to further American research and to prevent their capture by the Soviets, and...

     and sent to the United States Atomic Energy Commission
    United States Atomic Energy Commission
    The United States Atomic Energy Commission was an agency of the United States government established after World War II by Congress to foster and control the peace time development of atomic science and technology. President Harry S...

     for evaluation. In 1971, the reports were declassified and returned to Germany. The reports are available at the Karlsruhe Nuclear Research Center and the American Institute of Physics
    American Institute of Physics
    The American Institute of Physics promotes science, the profession of physics, publishes physics journals, and produces publications for scientific and engineering societies. The AIP is made up of various member societies...

    .

Literature by Lintner

  • K. Lintner, H. Moser, and J. Cerny On Spherical Setups used for the Determination of Cross Sections for Fast-Neutron Phenomena [In German], Sitzber. Osterr. Akad. Wiss., Math.-naturw. Klasse, Abt. IIa Volume 158, 123-34 (1950)

  • K. Lintner Interaction of Fast Neutrons with the Heaviest Stable Nuclei (bi, Pb, Tl, and Hg) [In German], Acta Phys. Aust. Volume 3, 352-83 (1950)

  • E. Schmid and K. Lintner Further Research on The Effects of Radiation on Metals [In German], Z. Metallk. Volume 51, 615-20 (1960). Institutional affiliation: University of Vienna.

  • K. Lintner and E. Schmid The Problem of Radiation Influence of Solid Bodies, Nukleonik Volume 1, 29-40 (1958). Institutional affiliation: University of Vienna.

  • K. Lintner Effect of Irradiation on the Plasticity of Metal Crystals [In German] Acta Physica Austriaca Volume 16, 256-64 (1963). Institutional affiliation: University of Vienna.

  • K. Lintner Nuclear Physics Methods in Metal Physics [In German],Acta Physica Austriaca, Volume 18, 116-45 (1964). Institutional affiliation: University of Vienna.

  • I. Schreiner and K. Lintner Study of Radiation Effets by Microhardness Measurements, Acta Physica Austriaca Volume 18, 292-6 (1964). Institutional affiliation: University of Vienna.
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