JEWS IN PHYSICS
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Prior to the twentieth century, the only major figures in physics who were of Jewish descent were Carl G. J. Jacobi, Heinrich Hertz*, and Albert A. Michelson.  Jacobi, one of the greatest mathematicians of the nineteenth century, co-developed what has come to be known as Hamilton-Jacobi theory, a reformulation of classical mechanics that forms a critical bridge in the transition to twentieth century quantum mechanics.  Hertz* was the discoverer of electromagnetic waves.  His discovery of the basic techniques for generating and detecting radio waves, together with the theoretical work of Maxwell, led directly to the development of radio, television, wireless telecommunications, and radar.  Michelson, who won the Nobel Prize in 1907, performed critical experiments on the speed of light in the late 1880s that proved crucial to the later acceptance of Einsteinian relativity.

Subsequently, Jews played a major role in the development of twentieth century physics.  Any reasonably objective listing of the twenty-five most influential physicists of that century would probably include, at a minimum, the following fifteen individuals of Jewish descent: Albert Einstein, Niels Bohr*, Wolfgang Pauli*, Max Born, Hans Bethe*, Felix Bloch, Lev Landau, I. I. Rabi, Eugene Wigner, John von Neumann, Richard Feynman, Julian Schwinger, Murray Gell-Mann, Steven Weinberg, and Edward Witten.  According to a recent monograph by the distinguished theoretical physicist Roger Newton, Albert Einstein and Niels Bohr* were "the true revolutionaries ... two men whose ideas would dominate most of physics for the 20th century."1  

In addition to work on the conceptual foundations of physics, Jews have also been significantly involved in the development of its practical applications.  Jews such as Lise Meitner, Otto Frisch, Niels Bohr*, Leo Szilard, Eugene Wigner, Sir Rudolf Peierls, Sir Francis Simon, Hans Bethe*, Victor Weisskopf, John von Neumann, Robert Oppenheimer, Edward Teller, Stanislaw Ulam, Alvin Weinberg, Hyman Rickover, Yuli Khariton, Vitaly Ginzburg, and Yakov Zeldovich (the latter three in the Soviet Union) played a dominant role in the development of nuclear power.  The nuclear reactor was first conceived of and then co-invented by Leo Szilard.  The pressurized water reactor (PWR), the nuclear reactor design that dominates both naval and commercial nuclear power generation, was proposed by Alvin Weinberg, based on earlier work by Eugene Wigner.

The technology that underpins the emerging post-industrial "information age" is based on semiconductor microelectronics and photonics.  The theoretical basis of the former is the band theory of solids, which was largely developed by Felix Bloch and Sir Rudolf Peierls in the late 1920s.  The theoretical foundation of the latter is the quantum theory of radiation, developed by Albert Einstein in 1917.  The transistor was invented and patented in the 1920s by Julius Edgar Lilienfeld.  [Its re-invention some twenty years later earned Bell Telephone Laboratories the Nobel Prize, but Bell Labs was forced to abandon all patent claims to the field-effect transistor (which today dominates modern electronics) because of Lilienfeld's prior work.]2  The first working laser was demonstrated in 1960 by Theodore Maiman, based on a theoretical design concept proposed by Arthur Schawlow* and Charles Townes (non-Jewish).  Nuclear magnetic resonance (NMR), the physical process underlying the invention of MRI diagnostic imaging, was discovered in molecular beam studies by I. I. Rabi in 1938 and later extended to bulk matter spectroscopy by Felix Bloch and Edward Purcell (non-Jewish).  The atomic clock, an essential component in such systems as GPS, was proposed by Rabi in 1944 and first demonstrated by Harold Lyons in 1949.

Jews constitute over 40% of the combined membership of the divisions of physics and applied physical sciences of the US National Academy of Sciences.  The links below contain lists of prominent Jewish physicists and of the Jewish recipients of several of the most prestigious international awards in physics.

NOTES
*
Hertz and Schawlow had Jewish fathers and non-Jewish mothers, while Bohr and Bethe had Jewish mothers and non-Jewish fathers.  Pauli's  father was Jewish and his mother half-Jewish.
1. How Physics Confronts Reality, by Roger G. Newton (World Scientific, London and Singapore, 2009, p. 6).
2. See, e.g., http://ethw.org/A_Very_Early_Conception_of_a_Solid_State_Device and http://inventors.about.com/library/inventors/bllilienfeld.htm.

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