Felix Bloch

@Physicists, Facts and Family

Felix Bloch was a Swiss born American physicist who won the Nobel Prize in 1952

Oct 23, 1905

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Biography

Personal Details

  • Birthday: October 23, 1905
  • Died on: September 10, 1983
  • Nationality: Swiss
  • Famous: Scientists, Physicists
  • Known as: Блох Фелікс, Блох, Феликс
  • Universities:
    • 1927 - ETH Zurich
    • 1928 - Leipzig University
  • Birth Place: Zürich

Felix Bloch born at

Zürich

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Birth Place

Felix Bloch married Lore Misch in 1940.

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Personal Life

He was a witty man and admired truthfulness, wisdom, innovation, and compassion. A man of strong principles and opinions, he disliked arrogance. He had an honest appreciation of the contributions he made.

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Personal Life

Although he was a friendly person, he would sometimes prefer isolation. He would take long walks alone when thinking about a difficult problem.

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Personal Life

Felix Bloch was born on October 23, 1905 in Zurich, Switzerland to Jewish parents Gustav Bloch, a wholesale grain dealer, and Agnes Bloch. He had an elder sister who died at the age of twelve.

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Childhood & Early Life

At the age of six, he joined a public primary school. However, with no encouragement from his teachers, he found it a very difficult place. He also took music lessons and was able to play the piano at the age of eight.

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Childhood & Early Life

His situation improved when he attended secondary school at the ‘Gymnasium’ of the Canton of Zurich and studied there till 1924.

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Childhood & Early Life

After secondary school, he studied engineering at the Federal Institute of Technology (Eidgenössische Technische Hochschule) in Zurich. After a year, however, he moved on to study Physics at the same institute.

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Childhood & Early Life

In the next two years at the University of Zurich, he attended several seminars and classes by imminent scholars and physicists like Peter Debye, Scherrer, Hermann Weyl, and Erwin Schrödinger; they introduced him to the concept of new wave mechanics.

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Childhood & Early Life

Felix Bloch developed an interest in theoretical physics. In 1927, he studied with Werner Heisenberg at the University of Leipzig and received his doctorate degree the next year. He wrote his thesis on ‘The Quantum Mechanics of Electrons in Crystal Lattices’ and calculated the specific heat and electrical resistance of metals in his paper.

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Career

After receiving his doctorate degree, he continued in the field of academics. Through different assistantship and fellowship programmes, he got opportunities to study with Wolfgang Pauli in Zürich, Niels Bohr in Copenhagen, and Enrico Fermi in Rome to further theoretical studies of the solid-state and stopping power of charged particles.

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Career

Later, he returned to Leipzig to assume the position of a lecturer. In the spring of 1933, he had to leave Germany following Hitler’s ascent to power, as he was Jew. The next year, he accepted a position at Stanford University and became the first professor for theoretical physics at Stanford.

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Career

In 1938, he began working at the University of California to determine the magnetic moment of the neutron. The following year, he received the United States citizenship.

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Career

During World War II, he worked on nuclear power at Los Alamos National Laboratory, and later joined the radar project at Harvard University. After the war, he focused on nuclear induction and nuclear magnetic resonance, which became the fundamental principles of MRI.

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Career

Along with E.M. Purcell, he developed the nuclear magnetic resonance method of measuring the magnetic field of atomic nuclei.

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Major Works

Bloch’s doctoral thesis on ‘The Quantum Mechanics of Electrons in Crystal Lattices’ calculated the specific heat and electrical resistance of metals. This paper provided the foundation for the theory of condensed matter. The waves discovered was named ‘Bloch Waves’ or ‘Bloch States’ and is still applicable in the theory of condensed matter.

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Major Works

Apart from calculating exact values of magnetic moment of the neutron, proton, and deuteron, he and his colleagues made an accurate determination of the magnetic moment and spin of the triton.

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Major Works