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Encyclopedia > Felix Bloch
Felix Bloch
Felix Bloch (1905-1983)
Felix Bloch (1905-1983)
Born October 23, 1905
Zurich, Switzerland
Died September 10, 1983
Zurich, Switzerland
Residence Switzerland
USA
Nationality Swiss
Field Physics
Institution Stanford University
Alma mater ETH Zurich and University of Leipzig
Academic advisor Werner Heisenberg
Known for NMR
Notable prizes Nobel Prize for Physics (1952)

Felix Bloch (October 23, 1905September 10, 1983) was a Swiss physicist, working mainly in the USA. Image File history File links No higher resolution available. ... October 23 is the 296th day of the year (297th in leap years) in the Gregorian calendar. ... 1905 (MCMV) was a common year starting on Sunday (link will display the full calendar). ... Location within Switzerland   Zürich[?] (German pronunciation IPA: ; usually spelled Zurich in English) is the largest city in Switzerland (population: 366,145 in 2004; population of urban area: 1,091,732) and capital of the canton of Zürich. ... September 10 is the 253rd day of the year (254th in leap years). ... 1983 (MCMLXXXIII) was a common year starting on Saturday of the Gregorian calendar. ... Location within Switzerland   Zürich[?] (German pronunciation IPA: ; usually spelled Zurich in English) is the largest city in Switzerland (population: 366,145 in 2004; population of urban area: 1,091,732) and capital of the canton of Zürich. ... Image File history File links Flag_of_Switzerland. ... Image File history File links Flag_of_the_United_States. ... Image File history File links Flag_of_Switzerland. ... Physics (Greek: (phúsis), nature and (phusiké), knowledge of nature) is the science concerned with the discovery and understanding of the fundamental laws which govern matter, energy, space, and time and explaining them using mathematics. ... The Leland Stanford Junior University, commonly known as Stanford University (or simply Stanford), is a private university located approximately 37 miles (60 kilometers) southeast of San Francisco and approximately 20 miles northwest of San José in an unincorporated area of Santa Clara County. ... The ETH Zurich, often called Swiss Federal Institute of Technology, is a science and technology university in the city of Zurich, Switzerland. ... The University of Leipzig (Universität Leipzig), located in Leipzig in the Free State and former Kingdom of Saxony, is one of the oldest universities in Europe. ... Werner Karl Heisenberg (December 5, 1901 – February 1, 1976) was a celebrated German physicist and Nobel laureate, one of the founders of quantum mechanics, and acknowledged to be one of the most important physicists of the twentieth century. ... NMR may refer to: Nuclear magnetic resonance, a phenomenon involving the interaction of atomic nuclei and external magnetic fields Nielsen Media Research, a U.S. company which measures TV, radio and newspaper audiences This is a disambiguation page — a navigational aid which lists other pages that might otherwise share... Image File history File links Nobel. ... List of Nobel Prize laureates in Physics from 1901 to the present day. ... October 23 is the 296th day of the year (297th in leap years) in the Gregorian calendar. ... 1905 (MCMV) was a common year starting on Sunday (link will display the full calendar). ... September 10 is the 253rd day of the year (254th in leap years). ... 1983 (MCMLXXXIII) was a common year starting on Saturday of the Gregorian calendar. ... ...

Contents

Life and work

A stamp from Guyana commemorating Felix Bloch.
A stamp from Guyana commemorating Felix Bloch.

Bloch was born in Zürich, Switzerland. He was educated there and at the Eidgenössische Technische Hochschule, also in Zürich. Initially studying engineering he soon changed to physics. Graduating in 1927 he continued his physics studies at the University of Leipzig, gaining his doctorate in 1928. He remained in German academia, studying with Werner Heisenberg, Wolfgang Pauli, Niels Bohr and Enrico Fermi. In 1933 he left Germany, emigrating to work at Stanford University in 1934. In 1939, he became a naturalized citizen of the United States. During WW II he worked on atomic energy at Los Alamos National Laboratory, before resigning to join the radar project at Harvard University. Post-war he concentrated on investigations into nuclear induction and nuclear magnetic resonance, which are the underlying principles of MRI. He and Edward Mills Purcell were awarded the 1952 Nobel Prize for "their development of new ways and methods for nuclear magnetic precision measurements."[1] In 19541955, he served for one year as the first Director-General of CERN. In 1961, he was made Max Stein Professor of Physics at Stanford University. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... View of the inner city with the four main churches visible, and the Albis in the backdrop Zürich (German: , Zürich German: Züri , French: , in English generally Zurich, Italian: ) is the largest city in Switzerland (population: 366,145 in 2004; population of urban area: 1,091,732) and... The ETH Zurich, often called Swiss Federal Institute of Technology, is a science and technology university in the city of Zurich, Switzerland. ... Physics (Greek: (phúsis), nature and (phusiké), knowledge of nature) is the science concerned with the discovery and understanding of the fundamental laws which govern matter, energy, space, and time and explaining them using mathematics. ... 1927 (MCMXXVII) was a common year starting on Saturday (link will take you to calendar). ... The University of Leipzig (Universität Leipzig), located in Leipzig in the Free State and former Kingdom of Saxony, is one of the oldest universities in Europe. ... Year 1928 (MCMXXVIII) was a leap year starting on Sunday (link will display full calendar). ... Werner Karl Heisenberg (December 5, 1901 – February 1, 1976) was a celebrated German physicist and Nobel laureate, one of the founders of quantum mechanics, and acknowledged to be one of the most important physicists of the twentieth century. ... This article is about Austrian-Swiss physicist Wolfgang Pauli. ... Niels (Henrik David) Bohr (October 7, 1885 – November 18, 1962) was a Danish physicist who made fundamental contributions to understanding atomic structure and quantum mechanics, for which he received the Nobel Prize in 1922. ... Enrico Fermi (September 29, 1901 – November 28, 1954) was an Italian physicist most noted for his work on the development of the first nuclear reactor, and for his contributions to the development of quantum theory, particle physics and statistical mechanics. ... Year 1933 (MCMXXXIII) was a common year starting on Sunday. ... The Leland Stanford Junior University, commonly known as Stanford University (or simply Stanford), is a private university located approximately 37 miles (60 kilometers) southeast of San Francisco and approximately 20 miles northwest of San José in an unincorporated area of Santa Clara County. ... 1934 (MCMXXXIV) was a common year starting on Monday (link will take you to calendar). ... 1939 (MCMXXXIX) was a common year starting on Sunday (link will display full year calendar). ... Naturalization is the process whereby a person becomes a national of a nation, or a citizen of a country, other than the one of his birth. ... Combatants Allied powers: China France Great Britain Soviet Union United States and others Axis powers: Germany Italy Japan and others Commanders Chiang Kai-shek Charles de Gaulle Winston Churchill Joseph Stalin Franklin Roosevelt Adolf Hitler Benito Mussolini Hideki Tōjō Casualties Military dead: 17,000,000 Civilian dead: 33,000... Atomic energy is an outdated phrase which can mean a number of things related to energy produced by atoms: In the late- 19th century through the early- 20th century, it was often used to describe the particles ejected by radioactive elements (especially radium). ... Los Alamos National Laboratory, aerial view from 1995. ... This long range Radar antenna, known as ALTAIR, is used to detect and track space objects in conjunction with ABM testing at the Ronald Reagan Test Site on the Kwajalein atoll[1]. Radar is a system that uses radio waves to determine and map the location, direction, and/or speed... Harvard University (incorporated as The President and Fellows of Harvard College) , is a private university in Cambridge, Massachusetts, USA. Founded in 1636,[1] Harvard is the oldest institution of higher learning still operating in the United States. ... Pacific Northwest National Laboratorys high magnetic field (800 MHz, 18. ... For the scientific journal entitled Magnetic Resonance Imaging, see Magnetic Resonance Imaging (journal). ... Edward Mills Purcell (August 30, 1912 - March 7, 1997) was an American physicist who shared the 1952 Nobel Prize for Physics for his independent discovery (1946) of nuclear magnetic resonance in liquids and in solids. ... 1952 (MCMLII) was a Leap year starting on Tuesday (link will take you to calendar). ... The Nobel Prizes (Swedish: ) are awards in physics, chemistry, literature, peace, and physiology or medicine. ... 1954 (MCMLIV) was a common year starting on Friday of the Gregorian calendar. ... 1955 (MCMLV) was a common year starting on Saturday of the Gregorian calendar. ... CERN logo The Organisation européenne pour la recherche nucléaire (English: European Organization for Nuclear Research), commonly known as CERN, pronounced (or in French), is the worlds largest particle physics laboratory, situated just northwest of Geneva on the border between France and Switzerland. ... 1961 (MCMLXI) was a common year starting on Sunday (the link is to a full 1961 calendar). ...


References

  • Physics Today 1984, 37(3), pp. 115-116.
  • Nature 1952, 170, pp. 911-912.
  • Nature 1954, 174, pp. 774-775.
  • McGraw-Hill Modern Men of Science, McGraw-Hill, 1966, vol. 1, pp. 45-46.
  • National Cyclopaedia of American Biography, James T. White & Co., 1921-1984, vol. I, pp. 310-312.

External links

Footnotes

  1. ^ - Sohlman, M (Ed.) Nobel Foundation directory 2003. Vastervik, Sweden: AB CO Ekblad; 2003.

  Results from FactBites:
 
Felix Bloch Biography | Encyclopedia of World Biography (1760 words)
Felix Bloch (1905-1983) is best known for his development of nuclear magnetic resonance techniques, which allowed highly precise measurements of the magnetism of atomic nuclei and became a powerful tool in both physics and chemistry to analyze large molecules.
Bloch was born in Zurich, Switzerland, on October 23, 1905, the son of Agnes Mayer Bloch and Gustav Bloch, a wholesale grain dealer.
The Bloch T 3/2 law describes how magnetization in ferromagnetic material is dependent upon temperature, Bloch walls are the transition region between parts of a ferromagnetic crystal that are magnetized with different orientations, and the Bloch theorem eliminates some of the possible explanations for superconductivity.
Felix Bloch, Neutron Induction, Bloch Equations, Bloch Theorem, Bloch States (711 words)
Stressing "the importance both of demonstrating the neutron's magnetic moment and of determining its magnitude", Felix Bloch began his research on neutron physics at Stanford [University] in early 1936.
Bloch, collaborating with [Hans] Bethe, [Edward] Teller, and [Hans] Staub, used the homemade Stanford cyclotron for the first experimental determination of the energy distribution of neutrons from fission.
Bloch was recognized for his achievements when he was awarded the 1952 Nobel Prize for Physics for the ‘development of new methods for nuclear magnetic precision measurements and discoveries in connection therewith'.
  More results at FactBites »


 

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